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Source: — Data Sufficiency |
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by iamseer » Sat May 08, 2010 10:44 pm
from 1:
k^2 = 4
therefore k=2 or -2
in either case, |k|=2
Sufficient

from 2:
k=|-2| that is k=2
therefore again |k|=2
Sufficient

answer D
"Choose to chance the rapids and dance the tides"
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