definite-integral

Question: $\int_{\,-1/2}^{\,1/2}{(\cos x)\,\left[ \log \left( \frac{1-x}{1+x} \right) \right]\,dx=}$



1) 0
2) 1
3) ${{e}^{1/2}}$
4) $2{{e}^{1/2}}$
Solution: Explanation: No Explanation
Properties of definite integration

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