User blog comment:Omega natsu2/Welcome Back, Frosch/@comment-3424593-20140307062519/@comment-3424593-20140307063933

so....? if you replace x by 0 you would get 0... oh.

well since u are so good at math Chaos, can you help me get the derivative of $$ \int_ \frac{11e^x}{e^x-1}\, dx $$