KcetDifferentiationKCET 2026MCQ+1 / -02026The second order derivative of $\cos^{-1}(4x^3 - 3x)$ with respect to $\cos^{-1}(2x^2 - 1)$, where $\dfrac{1}{2} < x < 1$ isA$0$B$-\dfrac{1}{\sqrt{1 - x^2}}$C$\dfrac{3}{2}$D$-\dfrac{3}{2}$Check AnswerClear SelectionReveal AnswerShow Explanation