$\"\"$

Find the $\"\"$ .

Observe the graph:

As $\"\"$ tends to $\"\"$ from the left hand side, the function approaches to $\"\"$ .

As $\"\"$ tends to $\"\"$ from the right hand side, the function approaches to $\"\"$ .

Since the left hand limit is not equal to the right hand limit, the limit does not exist.

$\"\"$ does not exist.

$\"\"$

$\"\"$ does not exist.