tentukan integral2 tak tentu berikut ini soal 1.integral xpangkat 2 (x-4)per akar x dx soal ke 2.integral (x-4)(xtambah5)dx
Matematika
StevanSyirauf
Pertanyaan
tentukan integral2 tak tentu berikut ini soal 1.integral xpangkat 2 (x-4)per akar x dx soal ke 2.integral (x-4)(xtambah5)dx
2 Jawaban
-
1. Jawaban Anonyme
InTegraL
1][
∫x²(x - 4)/√x dx
= ∫(x - 4) x^(2 - 1/2) dx
= ∫(x - 4) x^3/2 dx
= ∫(x^5/2 - 4x^3/2) dx
= 1/(7/2) x^7/2 - 4/(5/2) x^5/2 + C
= 2/7 x^7/2 - 8/5 x^5/2 + C
2][
∫(x - 4)(x + 5) dx
= ∫(x² + x - 20) dx
= 1/3 x³ + 1/2 x² - 20x + C -
2. Jawaban herrysahar
بسم الله
= ∫x^2(x-4) * dx/(√x)
= ∫x^2(x-4) * x^(-1/2) dx
= ∫x^3/2(x-4) dx
= ∫x^(5/2) - 4x^(3/2) dx
= ∫x^(5/2) - ∫4x^(3/2) dx
= 2x ³√x/7 - 4* 2x ²√x/5 + C
2. ∫(x-4)(x+5) dx
∫x² + x - 20 dx
x³/3 + x²/2 - 20x + C
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