Apply the quotient rule, which is:
and .
To find :
Apply the power rule: goes to
To find :
Differentiate term by term:
The derivative of the constant is zero.
Apply the power rule: goes to
The result is:
Now plug in to the quotient rule:
Now simplify:
The answer is:
3
2*x 2*x
- --------- + ------
2 2
/ 2 \ x - 4
\x - 4/
/ / 2 \\
| 2 | 4*x ||
| x *|-1 + -------||
| 2 | 2||
| 4*x \ -4 + x /|
2*|1 - ------- + -----------------|
| 2 2 |
\ -4 + x -4 + x /
-----------------------------------
2
-4 + x
/ / 2 \\
| 2 | 2*x ||
| 2*x *|-1 + -------||
| 2 | 2||
| 4*x \ -4 + x /|
12*x*|-2 + ------- - -------------------|
| 2 2 |
\ -4 + x -4 + x /
-----------------------------------------
2
/ 2\
\-4 + x /