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If f(x)=tan^(-1)x, then find f''(x)....

If `f(x)=tan^(-1)x`, then find f''(x).

Text Solution

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The correct Answer is:
`(-2x)/((1+x^(2))^(2))`
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ARIHANT PUBLICATION-CONTINUITY AND DIFFERENTIABILITY -(PART VIII) QUESTION FOR PRACTICE (1 MARK)
  1. Find the second order derivative of the following : x^(3)-x^(2)+2

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  2. If f(x)=tan^(-1)x, then find f''(x).

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