# Q.5. If ${x}^{m}{y}^{n}={\left(x+y\right)}^{m+n}$, prove that $\frac{dy}{dx}=\frac{y}{x}$

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https://www.meritnation.com/ask-answer/question/if-xm-yn-x-y-m-n-show-that-dy-dx-y-x-and-find-d2y-dx2/continuity-and-differentiability/3369988

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