Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result of the chain rule is:
Now simplify:
The answer is:
2
x
1 - -------
2
-1 + x
------------
_________
/ 2
\/ -1 + x
/ 2 \
| x |
3*x*|-1 + -------|
| 2|
\ -1 + x /
------------------
3/2
/ 2\
\-1 + x /