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Analysis
#1
Hello friends ,can you help me to find the sum of the series from n=1 to infinity (n^2)/(n!)
and the same for the series (n^2)/(n!)^2 where n varies from 1 to infinity
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#2
first and second derivative , finite sums and differences.

list of standard functions.

thats almost all you need.
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#3


thanks .
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