biacthoushqm
biacthoushqm
26-11-2016
Mathematics
contestada
What is the derivative of 2te^-t
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alsteva
alsteva
29-11-2016
[tex](2te^{-t})'=(2t)'e^{-t}+2t(e^{-t})'=2e^{-t}+2t(-e^{-t})=2e^{-t}-2te^{-t}[/tex]
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