____ / 2 \/ x
/ ____\ d | / 2 | --\\/ x / dx
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Apply the power rule: goes to
The result of the chain rule is:
The answer is:
|x|
- --- + sign(x)
x
---------------
x
/|x| sign(x) \
2*|--- - ------- + DiracDelta(x)|
| 2 x |
\ x /
---------------------------------
x