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September 16, 2014

September 16, 2014

Posted by **kate** on Thursday, October 23, 2008 at 5:02pm.

i think the derivative is xe^-x*-x^2e???

- calc I -
**bobpursley**, Thursday, October 23, 2008 at 5:48pmNo on derivative...

f=xe^-x

f'= e^-x - xe^-x

The first term is not the same as yours.

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