Find ddxtan-1-2x1-x2-

Now, ddxtan^ 1[2x1 x^2] =ddx(2tan^ 1x) [ Since tan^ 12x1 x^2=2tan^ 1x ] =21+x^2 ...

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Domain and Range of Basic Inverse Trigonometric Functions

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Question

Find $\frac{d}{d x} {tan}^{- 1} [\frac{2 x}{1 - x^{2}}]$ .

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Solution

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