Categories > differentiation > Partial differentiation > If $u={{\tan }^{-1}}\frac{y}{x}$, then by Euler’s Theorem the value of x $\frac{\partial u}{\partial x}+y\frac{\partial u}{\partial y}=$

differentiation

Question: If $u={{\tan }^{-1}}\frac{y}{x}$, then by Euler’s Theorem the value of x $\frac{\partial u}{\partial x}+y\frac{\partial u}{\partial y}=$


1) $\tan u$
2) $\sin u$
3) $0$
4) $\cos 2u$
Solution: Explanation: No Explanation
Partial differentiation

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