$\"\"$

The series is $\"\"$ .

$\"\"$

$\"\"$ .

Compare the series with $\"\"$ .

The series is in the form of $\"\"$ -series.

$\"\"$ -Series test :

If the series $\"\"$ where $\"\"$ .

If $\"\"$ then the $\"\"$ series converges.

If $\"\"$ then the $\"\"$ series diverges.

Compare the series with general form.

Here $\"\"$ .

Therefore, the series $\"\"$ is converges absolutely. $\"\"$

The series $\"\"$ is converges absolutely.