Apply the quotient rule, which is:
and .
To find :
Differentiate term by term:
The derivative of the constant is zero.
Apply the power rule: goes to
The result is:
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:
The answer is:
1 2*x*(x - 2)
------ - -----------
2 2
x - 1 / 2 \
\x - 1/
/ / 2 \ \
| | 4*x | |
2*|-2*x + |-1 + -------|*(-2 + x)|
| | 2| |
\ \ -1 + x / /
----------------------------------
2
/ 2\
\-1 + x /
/ / 2 \ \
| | 2*x | |
| 4*x*|-1 + -------|*(-2 + x)|
| 2 | 2| |
| 4*x \ -1 + x / |
6*|-1 + ------- - ---------------------------|
| 2 2 |
\ -1 + x -1 + x /
----------------------------------------------
2
/ 2\
\-1 + x /