- #1
kingwinner
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Homework Statement
Evaluate
∞
∑ [(e-15 15x) / x!]
x=16
15
∑ [(e-15 15x) / x!]
x=0
Homework Equations
The Attempt at a Solution
The only way I can think of is writing out every term explicitly and adding them on a calculator.
Is there any faster way (without having to write out every term explicitly) to calculate the above sums?
Thanks for any help!