Answer:
Step-by-step explanation:
(A) The given expression is:

Simplifying this expression, we get
=
=
which is the required simplified form.
(B) The given expression is:

Simplifying the above equation using the exponent rule, we have
=
which is the required simplified form.
(C) The given expression is:

Simplifying this expression, we get
=
=
=
which is the required simplified form.