Step 1 :

The expression is $\"\"$ .

Let $\"\"$ .

Construct the table of values for different values of x from each side :

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

x	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	\ $\"\"$ \
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

Observe the table :

As x approaches 0 from each side, the value of $\"\"$ tends to 0.5.

$\"\"$

Solution :

$\"\"$ .