Question

Calcule a integral a seguir $\int\limits\ (2t + 3)^{3} , dt$

Answer 1

Resposta:

u = 2t+3

du = 2dx   dx = du/2

Integral de (u)^3 x du/2

1/2 x integral de u^3 x du

1/2 x u^4/4

u^4/8

((2t+3)^4)/8 + C

Explicação passo-a-passo: