Find the derivative of $y = 4x^3 \sin x$.
University of Ilorin MTH102 2025A past question
- $4x^2(3\sin x + x\cos x)$
- $12x^2 \cos x$
- $12x^2 \sin x - 4x^3 \cos x$
- $4x^2(3\cos x + x\sin x)$
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