[ 2x(x²-1)6 dx = subsitusi

semoga membantu yaa :)

Integral Substitusi.

∫ 2x(x² - 1)⁶ dx
u = x² - 1
du / dx = 2x → dx = du / (2x)
= ∫ 2xu⁶ du / (2x)
= 1/7 u⁷ + C
= (x² - 1)⁷ / 7 + C