help please simple stuff but got stucked:((

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October 27th 2007, 02:32 AM
marikas

help please simple stuff but got stucked:((

i. (1 + e^x)(2 − e^−x)
October 27th 2007, 03:29 PM
ThePerfectHacker

Quote:

Originally Posted by marikas

i. (1 + e^x)(2 − e^−x)

$(1+e^x)(2+e^{-x}) = 2 + 2e^{x}+e^{-x}+e^{-x}e^x$

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