# Math Help - how to perform integral test?

1. ## how to perform integral test?

n_infinity ne^-n^2

please help using the integral test for this problem, thankyou.

2. Originally Posted by rcmango
n_infinity ne^-n^2

please help using the integral test for this problem, thankyou.
Ignore the infinities until you find the anti-derivatives.

Use integration by parts: u=x and v'=e^(-x^2)