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CBSE Class 12 Math 2020 Delhi Set 3 Solved Paper

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Question : 8 of 11
Marks: +1, -0
Find the value of ∫01tan⁡−1(1−2x1+x−x2)dx\int\limits_{0}^{1} \tan^{-1}\left(\frac{1-2x}{1+x-x^2}\right) dx.
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