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:
4 2
2*x 3*x
- --------- + ------
2 2
/ 2 \ x - 1
\x - 1/
/ / 2 \\
| 2 | 4*x ||
| x *|-1 + -------||
| 2 | 2||
| 6*x \ -1 + x /|
2*x*|3 - ------- + -----------------|
| 2 2 |
\ -1 + x -1 + x /
-------------------------------------
2
-1 + x
/ / 2 \ / 2 \\
| 4 | 2*x | 2 | 4*x ||
| 4*x *|-1 + -------| 3*x *|-1 + -------||
| 2 | 2| | 2||
| 6*x \ -1 + x / \ -1 + x /|
6*|1 - ------- - ------------------- + -------------------|
| 2 2 2 |
| -1 + x / 2\ -1 + x |
\ \-1 + x / /
-----------------------------------------------------------
2
-1 + x