Asked by Laura
how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?
Answers
Answered by
drwls
Take the limit of the ratio of the derivatives of numerator and denominator, with respect to n.
That ratio is the limit of
e^n/[2(1 + e^n)]
which approaches 1/2 since 1 becomes negligible compared to e^n, as n goes to infinity.
That ratio is the limit of
e^n/[2(1 + e^n)]
which approaches 1/2 since 1 becomes negligible compared to e^n, as n goes to infinity.
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