Posted by **Nancy** on Wednesday, December 9, 2009 at 12:12am.

find the derivative of 3x^4-5x+3/x^4+1

i know that the derivative of the numeratoor would be 12x^3-5 but i'm not sure if its right since it has a denominator i Know i need to do something to it but not sure if to simplify.

- Calc. -
**Reiny**, Wednesday, December 9, 2009 at 12:20am
You will have to use the quotient rule.

If you don't know what that is ....

you'll have some major catching up to do.

- Calc. -
**Nancy**, Wednesday, December 9, 2009 at 12:28am
ok, i know what it is had forgotten we use that but its in my notes thanks!!!!

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