Hasil dari integral x^2 (×^3 +2)^9 dx...

InTegraL

Misal :
u = x³ + 2
du/dx = 3x²
x² dx = 1/3 du

∫x² (x³ + 2)^9 dx
= ∫u^9 . 1/3 du
= 1/3 (u^10)/10 + C
= 1/30 u^10 + C
= 1/30 (x³ + 2)^10 + C