The integral is
.
Definition of an improper integral :
\If
exists for every number
, then
provoded this limit exists (as a finite number).
The function intervals is undefined
, so the function is countinous on
.
Consider
.

Let
and
.

Consider
.
Rewrite the integral as
.

Consider 
Rewrite the integral is
.

Substitute
and
values in equation 

Since
(infinite value), the integral is divergent.
The integral is divergent and the value is
.