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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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Posts: 2,144
Registered: 12/13/04
Analysys with f(f(a_n))
Posted: Jun 5, 2013 8:25 AM
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Hello teacher~

a_1 = 1

a_(n+1) = f(f(a_n)) (n >= 1)

Find the lim{n->oo} a_n

Answer is 4/3.

How do you solve it ?

I need your advice.

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