1.sin−1(2x/(1+x2))\sin^{-1}(2x/(1+x^2))sin−1(2x/(1+x2)) is diff ona.[−1,1][-1,1][−1,1]b.R−{−1,1}\mathbb{R}-\{-1,1\}R−{−1,1}c.R−(−1,1)\mathbb{R}-(-1,1)R−(−1,1)d.NoneLogin to continueOnly logged in users canattempt or see the solution.
