Step 1:

The series is $\"\"$ .

Divergence test:For the series $\"\"$ , If $\"\"$ , then the series $\"\"$ is divergent.

Here $\"\"$ .

Find $\"\"$

$\"\"$

If $\"\"$

$\"\"$

Since $\"\"$ , then the series $\"\"$ is divergent.

Solution:

The series is divergent.