\"\"

\

(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.