evaluate the sum to infinity of the series
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I hope it is not full question
ashish619:
evaluate the sum to infinity of the series 1+3/1!+5/2!/7/3!........
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1 + 3/1! + 5/2! ... = sum of series (2n+1)/n! from 0 to infinity
= sum of series 2/(n-1)! from 0 to infinity + e because sum of zero to infinity for (1/n!) is e
= 1 + e + e = 1 + 2e
= sum of series 2/(n-1)! from 0 to infinity + e because sum of zero to infinity for (1/n!) is e
= 1 + e + e = 1 + 2e
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