$\"\"$

The sequence is $\"\"$ .

If $\"\"$ then $\"\"$ .

Find $\"\"$ .

$\"\"$ .

Observe the terms :

As the value of $\"\"$ is increasing the value of $\"\"$ is decreasing and approaches to $\"\"$ .

Observe the graphs:

Therefore, the correct choice option $\"\"$ .

$\"\"$

The correct choice option $\"\"$ .