Math Question. With full solution. Thanks?

2016-02-01 2:03 pm

回答 (1)

2016-02-04 6:31 am

let u = x³
du = 3x² dx

∫ 3x² sin(x³) dx
= ∫ sin(u) du
= - cos(u) + C
= -cos(x³) + C

Answer (D)

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