Mark against the correct answer in the following:

Question:

Mark $(\sqrt{)}$ against the correct answer in the following:

The general solution of the DE $x^{2} \frac{d y}{d x}=x^{2}+x y+y^{2}$ is.

A. $\tan ^{-1} \frac{y}{x}=\log x+C$

B. $\tan ^{-1} \frac{\mathrm{x}}{\mathrm{y}}=\log \mathrm{x}+\mathrm{C}$

C. $\tan ^{-1} \frac{y}{x}=\log y+C$

D. None of these

Solution:

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