CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Inverse Trigonometric Functions · Inverse Trigonometric Functions

Problem

If tan⁡−1a+xa+tan⁡−1a−xa=π6\tan^{-1}\frac{a+x}{a}+\tan^{-1}\frac{a-x}{a}=\frac{\pi}{6}, then x2=x^2= (a) 23a2\sqrt{3}a (b) 3a\sqrt{3}a (c) 23a22\sqrt{3}a^2 (d) None of these

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