Thread: Question 20
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  #10  
Old 09-14-2012, 10:01 PM
fgpancorbo fgpancorbo is offline
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Join Date: Jul 2012
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Default Re: Question 11

Quote:
Originally Posted by yaser View Post
Hint (from Mr. Hints himself ): Cauchy.

I hope this helps more than it confuses.
, sure, Cauchy like in "Cauchy-Schwarz"? I don't want to sound cocky but I thought about bringing that ammunition myself except that I was unable to identify the inner product but now that I think about it... there is that cross term that looks very much like one... Interesting. Correction; I said earlier that I had the proof, but I still have to work out the details on paper. I just did it in my mind; the actual details are a bit more elaborated but I don't see a problem getting there .
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