Step 1:
\The function is
.
Derivative on each side with respect to
.

Apply the constant rule of derivative :
.
Apply the logarithm rule of derivative :
.

Step 2:
\
Apply derivative on each side with respect to
.

Apply the power rule of derivative :
.

Rewrite the above equation,
\
Substitute
in above equation.

The differential equation is 
Solution :
\The solution of the differential equation is 