Let .
The derivative of is itself.
Then, apply the chain rule. Multiply by :
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: goes to
So, the result is:
The result of the chain rule is:
The answer is:
3
-
/ 3\ x
3*|2 + -|*e
\ x/
------------
3
x
3
-
/ 3 6\ x
-9*|2 + -- + -|*e
| 2 x|
\ x /
------------------
4
x