Asked by sarah
find the sum of the series from n=1 to infinity of
2^n/n!
do I just look at the sum of the terms?
2^n/n!
do I just look at the sum of the terms?
Answers
Answered by
Count Iblis
Sum from n = 0 to infinity of x^n/n! = exp(x)
So, Sum from n = 1 to infinity of x^n/n! = exp(x) - 1
So, Sum from n = 1 to infinity of x^n/n! = exp(x) - 1
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