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Topic: Analysys with f(f(a_n))
Replies: 4   Last Post: Jun 6, 2013 5:33 AM

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Peter Percival

Posts: 2,623
Registered: 10/25/10
Re: Analysys with f(f(a_n))
Posted: Jun 5, 2013 10:52 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply wrote:
> Hello teacher~
> a_1 = 1
> a_(n+1) = f(f(a_n)) (n >= 1)
> Find the lim{n->oo} a_n

Doesn't it depend on f?

> -------------------------------------------
> Answer is 4/3.
> How do you solve it ?
> I need your advice.

I think I am an Elephant,
Behind another Elephant
Behind /another/ Elephant who isn't really there....
A.A. Milne

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