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by georgeung » Fri Aug 07, 2009 11:29 am
It looks like C.
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by real2008 » Fri Aug 07, 2009 11:36 am
is ans 1/(2*sqrt(2))
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by truplayer256 » Fri Aug 07, 2009 12:28 pm
I'm getting [sqrt(2)*1/2]/2=sqrt(2)/4. I'll explain if it's right.
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by gmat740 » Fri Aug 07, 2009 5:06 pm
OA is D

I still dont understand how is that! :shock:
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