Which is the particular solution of $\frac{dy}{dx} = 2x$ with $y = 3$ when $x = 0$?

Explanation

1. 01

   The general solution is $y = x^2 + C$.

2. 02

   $y(0) = 3$ gives $C = 3$, so the particular solution is $y = x^2 + 3$.