$\"\"$

The $\"\"$ term of the sequence $\"\"$ , $\"\"$ .

$\"\"$

$\"\"$ .

Apply L $\"\"$ Hospital $\"\"$ s rule.

L $\"\"$ Hospital $\"\"$ s rule : $\"\"$ .

$\"\"$ .

Again apply L $\"\"$ Hospital $\"\"$ s rule.

$\"\"$ .

Again apply L $\"\"$ Hospital $\"\"$ s rule for $\"\"$ times.

$\"\"$

$\"\"$ .

Therefore, the sequence is converges to $\"\"$ .

$\"\"$

The sequence is convergence to $\"\"$ .