$\"\"$

The limit expression is $\"\"$ .

$\"\"$ .

The limit of the expression is in undetermined form of $\"\"$ .

Apply L $\"\"$ Hopital $\"\"$ s Rule.

L $\"\"$ Hopital $\"\"$ s Rule: If $\"\"$ or $\"\"$ then $\"\"$ . $\"\"$

Chain rule of derivative: $\"\"$ .

Power rule of derivative: $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

$\"\"$ .