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December 20, 2014

December 20, 2014

Posted by **Cam** on Wednesday, April 10, 2013 at 8:44pm.

f(x)= t^2e^(-2t)

- Calculus -
**Reiny**, Wednesday, April 10, 2013 at 9:05pmprobably a type, f(x) should be f(t)

f ' (t) = t^2 (-2)e^(-2t) + 2t (e^(-2t))

= -2t e^(-2t) (t-1)

or

= (2t - 2t^2) e^(-2t)

now use the product rule again and simplify similar to what I did above

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