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\textbf{Math 126: Calculus II}
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\textbf{Quiz 7}\quad \textsl{October 24, 2000}
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1. Find the limit of the sequence

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a_n= \left(\frac {x^n}{2n+1}\right)^{1/n}+ \ln \left(1+\frac 1n\right)^n
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carefully {\bf showing your work} and {\bf
all} important steps.

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2.  Calculate the following, carefully {\bf showing your work} and {\bf
all} important steps.

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\sum _{n=1}^\infty e^{-2n}.
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