{"id":265631,"date":"2019-10-08T14:29:52","date_gmt":"2019-10-08T07:29:52","guid":{"rendered":"https:\/\/www.quipper.com\/id\/blog\/?p=265631"},"modified":"2023-02-07T15:24:26","modified_gmt":"2023-02-07T08:24:26","slug":"integral","status":"publish","type":"post","link":"https:\/\/quipperhome.wpcomstaging.com\/mapel\/integral\/","title":{"rendered":"Kelas 11 Belum Paham Materi Integral? Yuk, Belajar di Sini!"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-265991\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/Kelas-11-Belum-Paham-Materi-Integral-Yuk-Belajar-di-Sini3-2.png\" alt=\"\" width=\"800\" height=\"533\"><\/p>\n<blockquote><p>Integral merupakan bentuk penjumlahan kontinu yang terdiri dari anti turunan atau kebalikan dari turunan. Jenis-jenis integral; integral tentu dan integral tak tentu. Ada 3 rumus dasar integral, silakan cek di bawah ya, Quipperian.<\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">Hai Quipperian, bagaimana kabarnya? Semoga selalu sehat dan tetap semangat belajar Matematika, ya!<\/span><br \/>\n<span style=\"font-weight: 400;\">Saat melihat lingkaran, rumus apa yang kalian pikirkan? Membahas lingkaran, tentu tak akan luput dari suatu besaran yang disebut luas. Lebih dari itu, susunan dari lingkaran dengan jumlah tak hingga bisa membentuk suatu bangun tiga dimensi yang disebut bola. Nah, saat melihat bola, rumus apa yang Quipperian pikirkan? Jika lingkaran identik dengan luas, maka bola identik dengan volume.&nbsp;<\/span><br \/>\n<span style=\"font-weight: 400;\">Lalu, apakah ada hubungan di antara luas dan volume, mengingat bola juga dibentuk oleh lingkaran? Ternyata, volume merupakan bentuk integral dari luas, <\/span><i><span style=\"font-weight: 400;\">lho<\/span><\/i><span style=\"font-weight: 400;\">. Apa itu integral? Yuk, kita belajar materi integral dalam artikel ini biar nilai Matematika kamu kian bagus.<\/span><\/p>\n<h2><b>Pengertian Integral<\/b><\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-266021\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/Kelas-11-Belum-Paham-Materi-Integral-Yuk-Belajar-di-Sini-2.png\" alt=\"\" width=\"800\" height=\"533\"><br \/>\n<span style=\"font-weight: 400;\">Integral adalah bentuk penjumlahan berkesinambungan (kontinu) yang merupakan anti turunan atau kebalikan dari turunan. Adapun contoh bentuk turunan adalah sebagai berikut.<\/span><br \/>\n<img decoding=\"async\" class=\"alignnone size-medium wp-image-265881\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-1-2-300x74.png\" alt=\"\" width=\"300\" height=\"74\"><\/p>\n<h2><b>Rumus Dasar Integral<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-266011\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/Kelas-11-Belum-Paham-Materi-Integral-Yuk-Belajar-di-Sini1-2.png\" alt=\"\" width=\"800\" height=\"533\"><br \/>\n<span style=\"font-weight: 400;\">Adapun rumus dasar yang digunakan adalah sebagai berikut.<\/span><br \/>\n1.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265861\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-2-2-300x91.png\" alt=\"\" width=\"300\" height=\"91\"><br \/>\n2. &nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265871\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-3-2-300x60.png\" alt=\"\" width=\"300\" height=\"60\"><br \/>\n3.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265841\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-4-1-300x72.png\" alt=\"\" width=\"300\" height=\"72\"><\/p>\n<h2><b>Jenis-jenis Integral<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-266001\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/Kelas-11-Belum-Paham-Materi-Integral-Yuk-Belajar-di-Sini2-2.png\" alt=\"\" width=\"800\" height=\"533\"><br \/>\n<span style=\"font-weight: 400;\">Berdasarkan bentuk hasilnya, integral dibagi menjadi dua, yaitu integral tak tentu dan integral tentu.<\/span><\/p>\n<h3><b>1. Integral tak tentu<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Integral tak tentu adalah bentuk integral yang hasilnya berupa fungsi dalam variabel tertentu dan masih memuat konstanta integrasi.&nbsp;<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265851\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-5-2-300x106.png\" alt=\"\" width=\"300\" height=\"106\"><br \/>\n<span style=\"font-weight: 400;\">Oleh karena itu, rumus umum integral dinyatakan sebagai berikut.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265821\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-6-1-300x61.png\" alt=\"\" width=\"300\" height=\"61\">, dengan <i>c<\/i> adalah konstanta integrasi<\/p>\n<h3><b>2. Integral tentu<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Pada bahasan sebelumnya, telah dijelaskan tentang integral tak tentu di mana hasil dari integrasinya masih berupa fungsi. Jika hasil integrasinya berupa nilai tertentu, integralnya disebut integral tentu. Adapun bentuk umum integral tentu adalah sebagai berikut.<\/span><span style=\"font-weight: 400;\">&nbsp;<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265831\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-7-1-300x190.png\" alt=\"\" width=\"300\" height=\"190\"><br \/>\n<span style=\"font-weight: 400;\">dengan: <\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\"> disebut batas bawah<\/span><br \/>\n<i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">b<\/span><\/i><span style=\"font-weight: 400;\"> disebut batas atas<\/span><br \/>\n<span style=\"font-weight: 400;\">Arti dari bentuk integral di atas adalah suatu <\/span><i><span style=\"font-weight: 400;\">f\u2019<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">) diintegralkan atau dijumlahkan secara kontinu mulai dari titik <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\"> sampai titik <\/span><i><span style=\"font-weight: 400;\">b<\/span><\/i><span style=\"font-weight: 400;\">, sehingga hasil akhir yang diperoleh akan berupa angka, tidak lagi fungsi.<\/span><\/p>\n<h4><b>a. Sifat-sifat Integral Tentu<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Apabila <\/span><i><span style=\"font-weight: 400;\">f<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">), <\/span><i><span style=\"font-weight: 400;\">g<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">) terdefinisi pada selang <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">b<\/span><\/i><span style=\"font-weight: 400;\">, maka diperoleh persamaan berikut.<\/span><br \/>\n1.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265801\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-8-1-300x55.png\" alt=\"\" width=\"300\" height=\"55\"><br \/>\n2.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265811\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-9-1-300x99.png\" alt=\"\" width=\"300\" height=\"99\"><br \/>\n3.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265761\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-10-1-300x169.png\" alt=\"\" width=\"300\" height=\"169\"><br \/>\n4.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265781\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-11-1-300x71.png\" alt=\"\" width=\"300\" height=\"71\"><br \/>\n5.&nbsp;<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265771\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-12-1-300x102.png\" alt=\"\" width=\"300\" height=\"102\"><\/p>\n<h4><strong>b.<\/strong>&nbsp;<b>Aplikasi Integral Tentu<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Seperti Quipperian ketahui bahwa integral bisa diaplikasikan dalam kehidupan sehari-hari. Salah satu contoh yang umum dikenal adalah luas daerah. Luas daerah yang dimaksud adalah luas daerah di bawah kurva. Adapun langkah menghitungnya adalah sebagai berikut.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Batas daerah yang akan diintegralkan harus jelas. Adapun batas daerah yang dimaksud adalah batas kiri dan kanannya serta batas atas dan bawahnya. Bentuk batas daerah bisa berupa fungsi atau konstanta, fungsi linier dan nonlinier (kuadrat, pangkat 3, akar pangkat). Bagaimana jika salah satu batas belum diketahui? Quipperian harus mencarinya terlebih dahulu, agar luasnya bisa dihitung.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Quipperian harus mampu menggambar daerah di dalam kurva sesuai dengan batas-batas yang telah ditentukan (jika gambar masih dinyatakan dalam batas-batasnya saja). Oleh karena itu, diperlukan kemampuan untuk menggambar dengan baik.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Quipperian juga harus bisa menempatkan rumus yang tepat untuk menghitung luas daerah berdasarkan ketentuan yang telah ada. Jangan lupa untuk memperhatikan gambar daerah dan rumus yang bersesuaian. Quipperian jangan khawatir ya, setiap daerah memiliki rumus fungsinya masing-masing, contohnya berikut ini.<\/span><\/li>\n<\/ul>\n<p><strong>a) Bentuk daerah jenis 1<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-265751\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-13-2.png\" alt=\"\" width=\"544\" height=\"237\"><br \/>\n<strong>b) Bentuk daerah jenis 2<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-265741\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-14-2.png\" alt=\"\" width=\"540\" height=\"232\"><br \/>\n<strong>c) Rumus cepat mencari luas<\/strong><br \/>\n<span style=\"font-weight: 400;\">Rumus cepat tidak berlaku untuk seluruh daerah ya, Quipperian. Rumus ini berlaku pada daerah-daerah yang memiliki kondisi berikut.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265731\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-15-2-300x65.png\" alt=\"\" width=\"300\" height=\"65\"><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Memiliki dua batas fungsi, yaitu fungsi kuadrat dan fungsi kuadrat.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Memiliki dua batas fungsi, yaitu fungsi kuadrat dan fungsi linear.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Jika memenuhi dua kondisi di atas, luasnya dapat dicari menggunakan persamaan berikut.<\/span><br \/>\n<span style=\"font-weight: 400;\">Lalu, apa yang dimaksud dengan <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">b<\/span><\/i><span style=\"font-weight: 400;\">, dan <\/span><i><span style=\"font-weight: 400;\">c<\/span><\/i><span style=\"font-weight: 400;\">? Ketiga konstanta tersebut diperoleh dari proses berikut.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Jika fungsinya<\/span><i><span style=\"font-weight: 400;\"> y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">f(x)<\/span><\/i><span style=\"font-weight: 400;\"> dan <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">g(x)<\/span><\/i><span style=\"font-weight: 400;\">, maka buat fungsi selisihnya <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">f(x)<\/span><\/i><span style=\"font-weight: 400;\"> \u2013 <\/span><i><span style=\"font-weight: 400;\">g(x)<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Jika fungsinya<\/span><i><span style=\"font-weight: 400;\"> y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">f(y)<\/span><\/i><span style=\"font-weight: 400;\"> dan <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">g(y)<\/span><\/i><span style=\"font-weight: 400;\">, maka buat fungsi selisihnya <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">f(y)<\/span><\/i><span style=\"font-weight: 400;\"> \u2013 <\/span><i><span style=\"font-weight: 400;\">g(y)<\/span><\/i><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Fungsi selisih yang sudah Quipperian dapatkan, jangan disederhanakan lagi agar teridentifikasi nilai <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">b<\/span><\/i><span style=\"font-weight: 400;\">, dan <\/span><i><span style=\"font-weight: 400;\">c<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Jika Quipperian sudah mendapatkan nilai <\/span><i><span style=\"font-weight: 400;\">a<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">b\u00b8 <\/span><\/i><span style=\"font-weight: 400;\">dan <\/span><i><span style=\"font-weight: 400;\">c<\/span><\/i><span style=\"font-weight: 400;\">, substitusikan ke persamaan luas berikut.&nbsp;<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265731\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-15-2-300x65.png\" alt=\"\" width=\"300\" height=\"65\"><br \/>\n<span style=\"font-weight: 400;\">Untuk mengasah pemahaman Quipperian tentang materi integral, simak contoh-contoh soal berikut.<\/span><\/p>\n<h2><b>Contoh soal 1<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Jika diketahui <\/span><span style=\"font-weight: 400;\"> dan nilai <\/span><span style=\"font-weight: 400;\">, tentukan fungsi <\/span><i><span style=\"font-weight: 400;\">f<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">)!<\/span><br \/>\n<b>Pembahasan:<\/b><br \/>\n<span style=\"font-weight: 400;\">Untuk menentukan nilai <\/span><i><span style=\"font-weight: 400;\">f<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">), Quipperian harus tahu bahwa fungsi <\/span><i><span style=\"font-weight: 400;\">f<\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">) merupakan bentuk integral dari <\/span><i><span style=\"font-weight: 400;\">f<\/span><\/i><span style=\"font-weight: 400;\">\u2019(<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">).<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265701\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-18-2-300x233.png\" alt=\"\" width=\"300\" height=\"233\"><br \/>\n<span style=\"font-weight: 400;\">Persamaan di atas masih memuat konstanta integrasi,<\/span><i><span style=\"font-weight: 400;\"> c<\/span><\/i><span style=\"font-weight: 400;\">, sehingga Quipperian harus mencari nilai <\/span><i><span style=\"font-weight: 400;\">c<\/span><\/i><span style=\"font-weight: 400;\"> tersebut dengan mensubstitusikan nilai fungsi yang diketahui.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265691\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-1-29-300x231.png\" alt=\"\" width=\"300\" height=\"231\"><br \/>\n<span style=\"font-weight: 400;\">Jadi, nilai fungsi yang diminta adalah sebagai berikut.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265941\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-20-2-300x92.png\" alt=\"\" width=\"300\" height=\"92\"><\/p>\n<h2><b>Contoh soal 2<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Tentukan luas daerah yang diarsir pada gambar di bawah ini!<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-265931\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-21-2.png\" alt=\"\" width=\"173\" height=\"207\"><br \/>\n<b>Pembahasan:<\/b><br \/>\n<span style=\"font-weight: 400;\">Tentukan batas-batasnya terlebih dahulu.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Batas kanan: <\/span><span style=\"font-weight: 400;\">&nbsp;x\u221ay<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Batas kiri: sumbu y (<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> = 0)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Batas atas: <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = 9<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Batas bawah: <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = 0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Luas daerah yang diarsir adalah<\/span><br \/>\n<span style=\"font-weight: 400;\">Jadi, luas daerah yang diarsir adalah 18 satuan luas.<\/span><\/p>\n<h2><b>Contoh soal 3<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Tentukan luas daerah yang dibatasi oleh <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u2013 3<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> \u2013 10 dengan <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> + 2!<\/span><br \/>\n<b>Pembahasan:<\/b><br \/>\n<span style=\"font-weight: 400;\">Berdasarkan soal di atas, terlihat bahwa daerah dibatasi oleh 2 fungsi, yaitu fungsi kuadrat <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u2013 3<\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> \u2013 10 dan fungsi linier <\/span><i><span style=\"font-weight: 400;\">y<\/span><\/i><span style=\"font-weight: 400;\"> = <\/span><i><span style=\"font-weight: 400;\">x<\/span><\/i><span style=\"font-weight: 400;\"> + 2, sehingga berlaku rumus cepat untuk luas.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265911\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-23-2-300x136.png\" alt=\"\" width=\"300\" height=\"136\"><br \/>\n<span style=\"font-weight: 400;\">Substitusikan nilai <\/span><i><span style=\"font-weight: 400;\">a, b<\/span><\/i><span style=\"font-weight: 400;\">, dan <\/span><i><span style=\"font-weight: 400;\">c <\/span><\/i><span style=\"font-weight: 400;\">yang sudah diperoleh ke dalam persamaan berikut.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265901\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-24-2-300x156.png\" alt=\"\" width=\"300\" height=\"156\"><br \/>\n<span style=\"font-weight: 400;\">Luas daerahnya adalah sebagai berikut.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-265891\" src=\"https:\/\/quipperhome.wpcomstaging.com\/wp-content\/uploads\/2019\/07\/integral-25-2-300x138.png\" alt=\"\" width=\"300\" height=\"138\"><br \/>\n<span style=\"font-weight: 400;\">Nah, itulah pembahasan Quipper Blog kali ini tentang materi integral. Tanpa Quipperian sadari, integral dekat dengan kehidupan sehari-hari, terlebih jika sudah berinteraksi dengan dunia kerja. Salah satu contohnya integral biasa digunakan di bidang ekonomi untuk menganalisis tentang kinerja perusahaan meliputi hasil produksi, SDM, sampai bahan-bahannya.<\/span><br \/>\n<span style=\"font-weight: 400;\">Jika Quipperian ingin melihat lebih lanjut tentang penjelasan materi integral, silakan gabung dengan <\/span><a href=\"https:\/\/learn.quipper.com\/signup\"><b>Quipper Video<\/b><\/a><span style=\"font-weight: 400;\">, yuk. Bersama Quipper Video, kalian bisa berjumpa dengan tutor-tutor kece yang pastinya selalu ada dimanapun dan kapanpun. <\/span><i><span style=\"font-weight: 400;\">So<\/span><\/i><span style=\"font-weight: 400;\">, tunggu apa lagi!<\/span><\/p>\n<p>[spoiler title=SUMBER]<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/id.wikipedia.org\/wiki\/Integral\" rel=\"nofollow\">https:\/\/id.wikipedia.org\/wiki\/Integral<\/a><\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/d14fikpiqfsi71.cloudfront.net\/\" rel=\"nofollow\">https:\/\/d14fikpiqfsi71.cloudfront.net\/<\/a><\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/d14fikpiqfsi71.cloudfront.net\/%5B\/spoiler%5D\" rel=\"nofollow\">https:\/\/d14fikpiqfsi71.cloudfront.net\/%5B\/spoiler%5D<\/a><\/span><\/li>\n<\/ul>\n<p><b>Penulis: Eka Viandari<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Integral merupakan bentuk penjumlahan kontinu yang terdiri dari anti turunan atau kebalikan dari turunan. Jenis-jenis integral; integral tentu dan integral tak tentu. Ada 3&hellip;<\/p>\n","protected":false},"author":99400369,"featured_media":265991,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[679384888,679384865],"tags":[],"ppma_author":[679386827,679386836],"class_list":["post-265631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mapel","category-matematika"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Integral - Matematika Kelas 11 - Rumus, Jenis &amp; Soal - Quipper Blog<\/title>\n<meta name=\"description\" content=\"Integral merupakan bentuk penjumlahan kontinu yang terdiri dari anti turunan atau kebalikan dari turunan. 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