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:
6 3 3*x 4*x - --------- + ------ 2 3 / 3 \ x - 1 \x - 1/
/ / 3 \\ | 3 | 3*x || | x *|-1 + -------|| | 3 | 3|| 2 | 4*x \ -1 + x /| 6*x *|2 - ------- + -----------------| | 3 3 | \ -1 + x -1 + x / -------------------------------------- 3 -1 + x
/ / 3 6 \ \ | 3 | 18*x 27*x | / 3 \| | x *|1 - ------- + ----------| 3 | 3*x || | | 3 2| 12*x *|-1 + -------|| | 3 | -1 + x / 3\ | | 3|| | 18*x \ \-1 + x / / \ -1 + x /| 6*x*|4 - ------- - ----------------------------- + --------------------| | 3 3 3 | \ -1 + x -1 + x -1 + x / ------------------------------------------------------------------------ 3 -1 + x