- #1
moo5003
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Homework Statement
Series k=1 to k=Infinity of:
k^2/k!
a) e
b) 2e
c) (1+e)(e-1)
d) e^2
e) Infinity
Homework Equations
e^x = Series from n=1 to n=Infinity of:
x^n / n!
The Attempt at a Solution
I was guessing this would end up being C but the answer is infact B. As far as I can tell 2e is equal to Series 2^k / k!, I'm unsure how this is equal.