Posted by **Mel <3** on Sunday, November 30, 2008 at 6:19pm.

Find the derivative of y=x^2 / e^2x using the Quotient Rule, and simplify.

I really need help! please! :)

- Calculus -
**bobpursley**, Sunday, November 30, 2008 at 6:27pm
http://en.wikipedia.org/wiki/Quotient_rule

y'= (2x*e^2x-2e^2x*x^2)/e^4x

= (2x)(1-x)/e^2x

check my work, I did it in my head.

- Calculus -
**Mel <3**, Sunday, November 30, 2008 at 6:58pm
thank u so much! I checked it cause i used ur wikipedia link and understood it better. my teacher uses her own formula or something instead of d(x) or whatever. thank u soo much!! :)

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