Pls explain 1)an rearrangement be done only once in series or can we do several times as per our choice and 2) can rearrangement be done only in absolutely conv

Deepak singh Best Answer
if series is absolutely convergence then any kind of rearrange does not change sum of seriea
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Deepak singh
any doubt please ask
Priyadarshan Choursiya
you can rearrange many times of an absolute converge series only. other series can't rearrange.
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Aaditya
sir is series 1+2+3...+infinity absolutely convergent...if no. pls help how ramanujan found its sum equal to 1/12
Deepak singh
if series is conditionally convergent then rearrangment may change the series
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Deepak singh
if series is conditionally convergent then we can rearranged to get desired sum
Priyadarshan Choursiya
you can rearrange many times of an absolute converge series only. other series can't rearrange.
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Priyadarshan Choursiya
you can rearrange many times of an absolute converge series only. other series can't rearrange.
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Priyadarshan Choursiya
you can rearrange many times of an absolute converge series only. other series can't rearrange.
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Arzoo
Yes rearrangement can done only in absolutely convergent series. But not in conditionally convergent because it can even change its behavior of convergence and divergence
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