\int \sqrt{\frac{\cos x-\cos ^3 x}{1-\cos ^3 x}} d x=+C .

Correct Answer is : 23cos−1(cos3∕2x)

-\frac{2}{3} \cos ^{-1}(\cos ^{3 \/ 2} x)

\frac{2}{3} \cos ^{-1}(\cos ^{3 \/ 2} x)

\frac{3}{2} \cos ^{-1}(\cos ^{3 \/ 2} x)

-\frac{3}{2} \cos ^{-1}(\cos ^{3 \/ 2} x)

GUJCET 2022 Math Solved Paper

Question : 31 of 40

Marks: +1, -0

∫√‌

cos‌x−cos3x

1−cos3x

dx=+C.

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