(a)
\The logarithmic expression is
.

Apply logarithm product property:
.

Substitute
and
.


.
(b)
\The logarithmic expression is
.
Apply logarithm quotient property:
.

Substitute the values of
and
.


.
(c)
\The logarithmic expression is
.

Apply logarithm power rule property:
.



Substitute the value of
.

.
.
(d)
\The logarithmic expression is
.

Apply logarithm power rule property:
.

Substitute the value of
.

.
.
(a)
.
(b)
.
(c)
.
(d)
.