differentiation

Question: $\frac{d}{dx}{{\tan }^{-1}}\frac{x}{\sqrt{{{a}^{2}}-{{x}^{2}}}}=$

1) $\frac{a}{{{a}^{2}}+{{x}^{2}}}$

2) $\frac{-a}{{{a}^{2}}+{{x}^{2}}}$

3) $\frac{1}{a\sqrt{{{a}^{2}}-{{x}^{2}}}}$

4) $\frac{1}{\sqrt{{{a}^{2}}-{{x}^{2}}}}$

Solution:

Explanation: No Explanation

Differentiation by substitution Higher order derivatives

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