Use the product rule to differentiate.
$\displaystyle \frac{d}{dx} ( e^{2x} ) = \frac{d}{dx} ( e^x \cdot e^{x} ) =$ .

Now use the product rule again to differentiate.
$\displaystyle \frac{d}{dx} ( e^{3x} ) = \frac{d}{dx} ( e^x \cdot e^{2x} ) =$ .