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*x 2*x*\x - 2/ ------ - ------------ 2 2 x + 2 / 2 \ \x + 2/
/ / 2 \ \ | | 4*x | / 2\| | |-1 + ------|*\-2 + x /| | 2 | 2| | | 4*x \ 2 + x / | 2*|1 - ------ + -----------------------| | 2 2 | \ 2 + x 2 + x / ---------------------------------------- 2 2 + x
/ / 2 \ \ | | 2*x | / 2\| | 2*|-1 + ------|*\-2 + x /| | 2 | 2| | | 4*x \ 2 + x / | 12*x*|-2 + ------ - -------------------------| | 2 2 | \ 2 + x 2 + x / ---------------------------------------------- 2 / 2\ \2 + x /