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OpenStudy (anonymous):
Hi guys... I new here... and need some help in calculus... can anyone tell me how to solve sum(k=1 to inifity)(-1)^k/(2k+1)^3?
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OpenStudy (unklerhaukus):
\[\sum_{k=1}^{∞} {(-1)^k \over (2k+1)^3}\]
OpenStudy (anonymous):
Yea but I dont know how to solve it.... the question asks estimating infinite sums... ?
OpenStudy (unklerhaukus):
I dont know how to add this sum properly, but it is about -0.3
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