Apply the quotient rule, which is:
and .
To find :
Let .
The derivative of is itself.
Then, apply the chain rule. Multiply by :
Apply the power rule: goes to
The result of the chain rule is:
To find :
Apply the power rule: goes to
Now plug in to the quotient rule:
Now simplify:
The answer is:
/ 2\
/ 2\ \x /
\x / e
2*e - -----
2
x
/ 2\
/ 1 2\ \x /
2*|-1 + -- + 2*x |*e
| 2 |
\ x /
------------------------
x
/ / 2\\ / 2\ | 3 2 6 3*\1 + 2*x /| \x / 2*|6 - -- + 4*x + -- - ------------|*e | 4 2 2 | \ x x x /