1.If 0<x<10 < x < 10<x<1, then \sqrt{1 + x^2} \left[ x \cos(\cot^{-1} x) + \sin(\cot^{-1} x) \right]^2 - 1 \right]^{1/2} is equal toa.x1+x2\frac{x}{\sqrt{1+x^2}}1+x2xb.xxxc.x1+x2x \sqrt{1 + x^2}x1+x2d.1+x2\sqrt{1 + x^2}1+x2Login to continueOnly logged in users canattempt or see the solution.
