differentiation

Question: If $u={{\sin }^{-1}}\left( \frac{y}{x} \right),$ then $\frac{\partial u}{\partial x}$ is equal to

1) $-\frac{y}{{{x}^{2}}+{{y}^{2}}}$

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

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

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

Solution:

Explanation: No Explanation

Partial differentiation

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