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OpenStudy (anonymous):
Help please! Find the approximate sum of the series to four decimal places: infinite series n=1 to infinity of -1^n/n!6^n
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OpenStudy (anonymous):
\[\sum_{n=1}^{infinity}(-1)^n/(6^nn!)\]
OpenStudy (anonymous):
I worked out that if n =4 then bn will be .00003 so then I thought the estimate would be sum3 which is .1535 but that is not right. Can anyone tell me why?
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