(a)
\The logarithmic expression is
.
Rewrite the expression as
.



Apply logarithm power rule:
.

Substitute the value of
.

.
.
(b)
\The logarithmic expression is
.

Apply logarithm product rule:
.


Apply logarithm power rule:
.

Substitute
and
.


.
.
(c)
\The logarithmic expression is
.

Apply logarithm power rule:
.


Apply logarithm product rule:
.



Substitute
and
.



.
.
(d)
\The logarithmic expression is
.



Apply logarithm product rule:
.

Apply logarithm power rule:
.

Substitute
and
.


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