Calculus Examples

$\int e^{3 x} \cos (2 x) d x$

Step 1

$\int e^{3 x} \cos (2 x) d x$ is an antiderivative of $e^{3 x} \cos (2 x)$ , so by definition $\frac{d}{d x} [\int e^{3 x} \cos (2 x) d x]$ is $e^{3 x} \cos (2 x)$ .

$e^{3 x} \cos (2 x)$