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:
Now simplify:
The answer is:
2 / 2 \ 2*x 3*x *\x + 1/ ------ - ------------- 3 2 x - 1 / 3 \ \x - 1/
/ / 3 \\ | / 2\ | 3*x || | 3*x*\1 + x /*|-1 + -------|| | 3 | 3|| | 6*x \ -1 + x /| 2*|1 - ------- + ---------------------------| | 3 3 | \ -1 + x -1 + x / --------------------------------------------- 3 -1 + x
/ / 3 6 \ / 3 \\ | 2 / 2\ | 18*x 27*x | 2 | 3*x || 6*|- 3*x - \1 + x /*|1 - ------- + ----------| + 6*x *|-1 + -------|| | | 3 2| | 3|| | | -1 + x / 3\ | \ -1 + x /| \ \ \-1 + x / / / ---------------------------------------------------------------------- 2 / 3\ \-1 + x /