Step 1:

The expression is $\"\"$ .

$\"\"$ .

Construct a table near value of $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

As $\"\"$ tends to $\"\"$ from the right side the limit approaches to $\"\"$ .

As $\"\"$ tends to $\"\"$ from the left side the limit approaches to $\"\"$ .

$\"\"$ .

Solution:

$\"\"$ .