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JEE MAIN - Mathematics Hindi (2024 - 9th April Evening Shift - No. 6)
समाकलन $$\int_\limits{1 / 4}^{3 / 4} \cos \left(2 \cot ^{-1} \sqrt{\frac{1-x}{1+x}}\right) d x$$ बराबर है
$$-1/2$$
$$-1/4$$
1/4
1/2
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