Question

integral (3x - 1)^3 dx​

Answer 1

Resposta:

∫ (3x - 1)³ dx​

Faça u=3x-1   ==>du=3dx

∫ (u)³ du/3​

(1/3) * ∫ (u)³ du​

=(1/3) * u⁴/4 + c

=(1/12) * u⁴ + c

Como u =3x-1

= (1/12) * (3x-1)⁴ + c