As per the given question,
$\text { Verify that } y=e^{-3 x} \text { is a solution of the differential equation } \frac{d^{2} y}{d x^{2}}+\frac{d y}{d x}-6 y=0$
$\text { Verify that } y=e^{-3 x} \text { is a solution of the differential equation } \frac{d^{2} y}{d x^{2}}+\frac{d y}{d x}-6 y=0$