find the derivative of :
I tried just using a combination of quotient and chain rule, but I got some REALLY huge nasty answer. I'm thinking there is someway to simplify this, but not sure how.
Someone told me this was the answer, but I'm not sure how they got it :
thanks topsquark, that is the answer I had gotten ( the first one you posted, not the simplification)
I submitted it to my online homework thing but still got it wrong. I think I just got it wrong because I didn't distribute the negative sign in the second half of the numerator.