$\"\"$

The limit is $\"\"$ .

Consider $\"\"$ .

If $\"\"$ tends to $\"\"$ , then $\"\"$ approaches to $\"\"$ .

$\"\"$

If $\"\"$ tends to $\"\"$ , $\"\"$ . (Logarithmic expansion for smaller values of $\"\"$ )

$\"\"$

Therefore, $\"\"$ .

$\"\"$

$\"\"$ .