The value of ^ -1 [ 1+x^ 2 + 1-x^ 2 1+x^ 2 - 1-x^ 2 ], |x|< 1 2 , x 0, is equal to
Mathematics · JEE Main · NTA Exams — Trigonometry
The value of \[\tan ^{-1}\left[\frac{\sqrt{1+x^{2}}+\sqrt{1-x^{2}}}{\sqrt{1+x^{2}}-\sqrt{1-x^{2}}}\right],\]\(|x|<\frac{1}{2}, x \neq 0,\) is equal to
Answer
(B)
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