\( \int_{1/2}^{1} \frac{dx}{\sqrt{x-x^2}} \) এর মান কত?

A \( \frac{\pi}{2} \)

B \( \frac{\pi}{4} \)

C \( \frac{\pi}{3} \)

D \( -\frac{\pi}{2} \)

Solution

Correct Answer: Option A

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