A Level

MATHEMATICS · Single correct · A Level · Mathematics · Integration · Integration

Problem

∫tan⁡−12x1−x2 dx=\int \tan^{-1}\frac{2x}{1-x^2}\,dx = (a) xtan⁡−1x+cx\tan^{-1}x + c (b) xtan⁡−1x−log⁡(1+x2)+cx\tan^{-1}x - \log(1+x^2) + c (c) 2xtan⁡−1x+log⁡(1+x2)+c2x\tan^{-1}x + \log(1+x^2) + c (d) 2xtan⁡−1x−log⁡(1+x2)+c2x\tan^{-1}x - \log(1+x^2) + c

Related theory

Browse the problem library