Answer: Option (D) None of the above
Explanation:
To simplify the expression
, we need to try to express both
and
in a way that allows us to combine them.
One way to do this is to rewrite
as
=
.Substituting this into the original expression, we get:

We can simplify this by using the fact that
.
=
.
Substituting this back into the original expression, we get:

Thus, Option (D) None of the above,