(a).

The limit is .

Substitute   and in the above limit.

The limit is in indeterminate forms.

(b).

The limit is .

Substitute   and in the above limit.

(c)

The limit is .

Substitute   and in the above limit.

(d).

The limit is .

Substitute   and in the above limit.

The limit valus is in Indeterminate form.

(e).

The limit is .

Substitute   and in the above limit.

The limit is in indeterminate forms.

(a).Indeterminate form.

(b)..

(c)..

(d).Indeterminate form.

(e).Indeterminate form.