Question:
Mark $(\sqrt{)}$ against the correct answer in the following:
The general solution od the DE $x \frac{d y}{d x}=y+x \tan \frac{y}{x}$ is is
A. $\sin \left(\frac{y}{x}\right)=C$
B. $\sin \left(\frac{y}{x}\right)=C x$
C. $\sin \left(\frac{\mathrm{y}}{\mathrm{x}}\right)=\mathrm{Cy}$
D. None of these
Solution: