(a).
\The limit is
.

Substitute
and
in the above limit.

The limit is indeterminate.
\(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 is indeterminate.
\(e).
\The limit is
.

Substitute
and
in the above limit.


(f).
\The limit is
.


Substitute
and
in the above limit.

The limit is indeterminate.
\(a) The limit is indeterminate.
\(b)
.
(c)
.
(d) The limit is indeterminate.
\(e)
.
(f) The limit is indeterminate.