Mathematics

The integral $$\displaystyle \int_{0}^{\pi} \sqrt{1+4sin^2\dfrac{x}{2}-4sin\dfrac{x}{2}}dx $$ is equal to 


ANSWER

$$4\sqrt{3}-4-\dfrac{\pi}{3}$$


SOLUTION
Hence, Option (D) is the correct option
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Single Correct Hard Published on 17th 09, 2020
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