is it converges absolutly ,or with condition(dont know the english term),

or is it diverges?

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- March 2nd 2011, 12:52 AMtransgalacticcovergense root question mmn11 2c

is it converges absolutly ,or with condition(dont know the english term),

or is it diverges? - March 2nd 2011, 02:31 AMTed

so your series can be rewritten as

Telescoping Series. - March 3rd 2011, 05:28 AMtransgalactic
by what test its absolut value converging?

- March 3rd 2011, 05:48 AMchisigma
- March 3rd 2011, 05:53 AMchisigma
- March 3rd 2011, 06:07 AMtransgalactic
why ln(1+x)>x

??

1/k diverges

so it cannot be absolutly convergent

only conditionaly

for this series to convers it 1. need to make a1>a2>...>ak i dont see it here

2.

and lim a_k =0

the limit is zero

how to prove 1? - April 1st 2011, 01:17 PMtransgalactic