tolong dijawab ya ʃ(x+1)^2 dx

jawab


∫ (x +1)² dx

u = x + 1
du = dx

∫ u² du = 1/3 u³ + c

= 1/3 (x + 1)³ + c

= 1/3 ( x³ + 3x² + 3x + 1) + c

= 1/3 x³ + x² + x  + c