# Solution of differential equation : $y(2xy+e^x)dx=e^xdy$
$(a)\;\frac{e^x}{y}+y^2=c \\ (b)\;\frac{e^y}{x}+x^2=c \\ (c)\;\frac{e^y}{x}+y^2=c \\ (d)\;\frac{e^x}{y}+x^2=c$