nilai integral dari 8/x³

∫x^n dx = 1/(n+1) . x^(n+1) + C

∫8/x³ dx
= ∫8x^-3 dx
= 8/(-3 + 1) . x^(-3 + 1) + C
= -8/2 . x^-2 + C
= -4/x² + C