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