If ( ^ -1 x )^ 2 - ( ^ -1 x )^ 2 =a ; 0 x a ≠ 0, then the value of 2 x 2 – 1 is
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
If \(\left(\sin ^{-1} x\right)^{2}-\left(\cos ^{-1} x\right)^{2}=a\); 0 < x < 1, a ≠ 0, then the value of 2x2 – 1 is
Answer
(B)
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