Step 1 :
\The function is
.
Rewrite the expression :
\
Differentiate
with respect y.

The derivative of the function
:

Solution :
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\

\
Use the chain rule : 

First evaluate 
Use the formula : 

The derivative of the function
:
\

Solution :
\