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Posted by saud on Monday, November 21, 2011 at 1:43am.

find L- Hospital lim x_---- inf 1/e^(-x)=

You don't need L'Hopital's rule for that limit. 1/e^(-x) = e^x and that goes to infinity as x-> infinity. Are you sure you copied the question correctly?

limxexsitat2 -4x+3/xsquer-1

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