The general solution of differential equation \(\log_{e}\left(\frac{dy}{dx}\right)=2x-y,y(0)=0\) is
Answer & explanation
Correct answer: option 4
$\log\left(\frac{dy}{dx}\right)=2x-y$
so $\frac{dy}{dx}=\frac{e^{2x}}{e^y}⇒\int e^ydy=\int e^{2x}dx$
$e^y=\frac{e^{2x}}{2}+c$ at (0, 0)
$e^0=\frac{e^0}{2}+c⇒c=\frac{1}{2}$
$e^y=\frac{e^{2x}}{2}+\frac{1}{2}$
so $2e^y=e^{2x}+1$