Step 1:

The function $\"\"$ .

The function $\"\"$ is continuous on $\"\"$ .

For a limit to exist, the left hand limit is always equal to right hand limit.

Consider the left hand limit $\"\"$ .

$\"\"$

Consider the right hand limit $\"\"$ .

$\"\"$

Step 2:

For a limit to exist, $\"\"$ .

$\"\"$

The value of $\"\"$ is $\"\"$ .

Solution:

The value of $\"\"$ is $\"\"$ .