Step 1:
\The function is
.
Apply logarithm on each side.
\
.
Quotient rule of logarithms:
.
.
Product rule of logarithms:
.

Power rule of logarithms:
.

Substitute value of above expression in 

Differentiate with respect to
on each side.
Use the logarithmic differentiation:
.



Substitute
in above expression.
.
Solution:
\\
