Integration

Calculus Level 2

$\large \int x^2 \sin x \ dx = \, ?$

Clarification: $C$ denotes the arbitrary constant of integration.

3 \cos x \sin x + \sin^2 x + C

2x\sin x + 2\cos x - x^2\cos x + C

\sin 2x - 9 \cos x + \tan x + C

2x \sin x + \cos x + C

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