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24 divided by square root 2

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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Source: — Quantitative Reasoning |
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by chrish1101 » Fri Mar 23, 2012 1:37 pm
Nevermind...I got it
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by seal4913 » Fri Mar 23, 2012 2:54 pm
I'm glad you figured it out. However just in case others may be wondering.

24 is always to equal the sq rt of 2 * sq rt of 2 * 12 (this is because sq rt of 2 times sq rt of 2 is 2)

So (sq rt of 2 * sq rt of 2 * 12)/(sq rt of 2) you can cancel one of the sq rt of 2 out and you are left with sq rt of 2 * 12
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