$\"\"$

The function is $\"\"$ .

(a)

Vertical asymptote appears when the function is not defined.

To find the vertical asymptote, equate denominator of the function to zero.

So $\"\"$

$\"\"$

$\"\"$ and $\"\"$

Therefore the vertical asymptotes are $\"\"$ and $\"\"$ .

$\"\"$

Graph :

Graph the function $\"\"$ :

$\"\"$

Vertical asymptote :

The vertical asymptote is a line equation, toward which a function $\"\"$ approaches to either positive or negative infinity.

Observe the graph.

The vertical asymptotes are $\"\"$ and $\"\"$ .

$\"\"$

Vertical asymptotes are $\"\"$ and $\"\"$ .