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If $$\int_0^\pi \frac{\cos x}{(x+2)^2} dx = A,$$ Find $$\int_0^{\pi/2}\frac{\sin 2x}{x+1}dx$$ in terms of $A$.
2026-04-01 13:57:31.1775051851
I want the source of this question? In which reference is there?
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I want the source of this question? In which reference is there?