The integral is .
.
If is continuous on the interval
and has an infinite discontinuity at
, then
, the limit exists then function is convergent.
is discontinuous at
.
is discontinuous at
.
.
Apply formula: .
.
Therefore, the series is converges to .
Graph:
\Graph the integrand .
Observe the graph:
\Using integration capabilities .
The improper integral is converges to
.