engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Differential Calculus Differentiation of Parametric Functions
\(\rm\sqrt{1-x^2}\) के संबंध में \(\rm\csc^{-1}\left({1\over2x^2-1}\right)\) का अवकलज क्या है?
1
-2 cos-1 x
2
\(\rm{-2\over\cos^{-1} x}\)
3
\(\rm1\over\sqrt{1+2x}\)
4
-2/x