Multiple choice For $\frac{d^2y}{dx^2}+4\frac{dy}{dx}$+ 3y = 3e2x, the particular integral is $\frac{1}{15}e^{2X}$ $\frac{1}{15}e^{2X}$ 3e2x C1 e-x + C1 e-3x Reveal answer Fill a bubble to check yourself B Correct answer Explanation