Homework Help: calculus

Posted by dylan on Sunday, April 24, 2011 at 9:58pm.

I am learning derivatives and I despise having to use the definition of the derivative. Please check my answer for this particular one! it is different from the one I get by differentiating.

The question: f(x) = 2+x / x^3
my answer: -6x^2-2x^2

calculus - drwls, Sunday, April 24, 2011 at 10:36pm
Learn to use parentheses where needed. Is the numerator x or 2+x ?
calculus - dylan, Sunday, April 24, 2011 at 11:03pm
sorry!
the numerator is 2+x and the denominator is x^3
calculus - dylan, Monday, April 25, 2011 at 12:03am
:( please help?

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