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Integration

Calculus Level 2

Evaluate

\[ \int_0^1 \sqrt{ \frac{1-x}{1+x} } \, dx. \]

A. \( \frac{\pi}{2} +1 \)
B. \( \frac{ \pi}{2} - 1 \)
C. -1
D. 1

C B A D

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by Arpit Dhimanj

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