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Old 07-06-2005, 11:33 AM   #1
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Talking let's see who is smart here?

prove this.
Let xn and yn be two sequences with the following properties:
x_(n+1)=xn^2+yn^2 and y_(n+1)=2*xn*yn for any n>=1 and x1 and y1>0. Prove that the series zn=xn/yn converges.

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Old 07-06-2005, 12:21 PM   #2
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Default Re: let's see who is smart here?

I was working on it, and she got banned. She couldn't even figure out:
just lock this now, please.
Macbook Pro and Logitech z5500s. All you really need.
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