Question: "What is $\frac{d}{dx}[ \tan^{-1}(\frac{3x - x^3}{1 - 3x^2}) ]$ for -\frac{1}{\sqrt{3}}" | TestX

Loading Question: "What is $\frac{d}{dx}[ \tan^{-1}(\frac{3x - x^3}{1 - 3x^2}) ]$ for -\frac{1}{\sqrt{3}}" | TestX...