No links please Q.C) i) Differentiate ${\mathrm{tan}}^{-1}\frac{\sqrt{1+{x}^{2}}-1}{x}$ with respect to ${\mathrm{tan}}^{-1}\frac{2x\sqrt{1-{x}^{2}}}{1-2{x}^{2}}$ at x = 0. Share with your friends Share 0 Sanjari Kalantri answered this 0 View Full Answer