Question

Integral 18x^2 (x^3+1)^5 adalah

Answer 1

Answer 2

Int 18x^2 (x^3 + 1)^5

misal u = x^3 + 1
du = 3x^2  dx
6 du = 18x^2  dx

maka,
=  int 6 u^5  du
= u^6  + C
=  (x^3 + 1)^6 + C