Video solution will be uploaded soon.
Matching Column A Column B A. d/dx(\cos^-1x) I. -1/1+x^2 B. d/dx(\cot^-1x) II. 1/|x|√x^2-1 C. d/dx(\cos ec^-1x) III. -1/√1-x^2 D. d/dx(\sec^-1x) IV. -1/|x|√x^2-1 | Watch the step-by-step video solution for this NIMCET PYQ.