If , then…

MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals

Problem

If ∫1+sin⁡x f(x) dx=23(1+sin⁡x)3/2+c\int \sqrt{1 + \sin x}\, f(x)\,dx = \frac{2}{3}(1 + \sin x)^{3/2} + c, then f(x)f(x) equals (a) cos⁡x\cos x (b) sin⁡x\sin x (c) tan⁡x\tan x (d) 11

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