$\"\"$

The limit of the function is $\"\"$ .

$\"\"$ definition of limit :

$\"\"$ ,

if for every number of $\"\"$ , there exists a $\"\"$ such number $\"\"$ whenever $\"\"$ .

Consider $\"\"$ .

$\"\"$

Consider $\"\"$ .

$\"\"$ .

Observe the relation between $\"\"$ and $\"\"$ .

$\"\"$ .

$\"\"$

$\"\"$ .