0606 P22 - Jun 2018 - Q9 - 7 marks
8464
(i) Differentiate \(x^4\sqrt{\sin x}\) with respect to \(x\).
(ii) Hence find
\(\int\left(x+\frac{x^4\cos x}{\sqrt{\sin x}}+8x^3\sqrt{\sin x}\right)\,dx.\)
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