Question Number 74263 by malikmasood3535@gmail.com last updated on 21/Nov/19
$$\int_{\mathrm{0}} ^{{x}} {e}^{{x}} \mathrm{cos}\:{e}^{{x}} {e}^{{x}} {dx} \\ $$
Commented by mathmax by abdo last updated on 21/Nov/19
$${question}\:{still}\:\:{dark}... \\ $$