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#1 2008-02-21 03:19:10
- oswald
- Member
- Registered: 2008-02-20
- Posts: 3
Serie converge/diverge
Firs Question
If the serie
∞
∑ Xn = (1/n²)
n=1
converge, then the serie |Xn| converge?
Second question
the serie
∞
∑ X^n / [fat(n)] diverge?
n=1
where fat(n) = n(n-1)(n-2)...4.3.2.1
Its important know the value of X in X^n?
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#2 2008-02-21 05:02:37
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Serie converge/diverge
For the first question, do you mean
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#3 2008-02-22 06:51:13
- oswald
- Member
- Registered: 2008-02-20
- Posts: 3
Re: Serie converge/diverge
i found answer in
http://www.physicsforums.com/showthread.php?t=216959
thanks..
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