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$\int(1+x) \sin (4 x) d x=-\frac{\cos 4 x}{4}+\frac{x \cos 4 x}{4}-\frac{\sin 4 x}{16}+C$

Question 20

True/False

$\int(1+x) \sin (4 x) d x=-\frac{\cos 4 x}{4}+\frac{x \cos 4 x}{4}-\frac{\sin 4 x}{16}+C$ .

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