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divisible by 6

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divisible by 6

by heffsz » Thu Dec 11, 2008 6:46 pm
Could someone please explain why the answer below is B? Thanks in advance.

If k and x are positive integers and x is divisible by 6, which of the following CANNOT be the value of sqrt (288kx) ?

A) 24k sqrt(3)
B) 24 sqrt(k)
C) 24 sqrt(3k)
D) 24 sqrt(6k)
E) 72 sqrt(k)
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by weena82 » Thu Dec 11, 2008 7:47 pm
Hi,

The explaination is attached. Hope this help.

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by heffsz » Fri Dec 12, 2008 8:09 am
perfect explanation - thanks weena!
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