Multiple choice The solution of the differential equation $\frac{dy}{dx}$+ 2xy = $e^{-x^2}$ (1 + x) $e^{+x^2}$ (1 + x) $e^{-x^2}$ (1 - x) $e^{-x^2}$ (1 - x) $e^{+x^2}$ Reveal answer Fill a bubble to check yourself B Correct answer Explanation