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GMAT Prep : DS
[#permalink]
04 Jul 2006, 13:57
04 Jul 2006, 13:57
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Please see the attachment for the question
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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
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Re: GMAT Prep : DS
[#permalink]
04 Jul 2006, 14:25
04 Jul 2006, 14:25
Only 5
sqrt(5) is aprox 2.2...
so 2-2.2 will give you a negative number, and sqrt(neg numb) is an imaginary number.
sqrt(5) is aprox 2.2...
so 2-2.2 will give you a negative number, and sqrt(neg numb) is an imaginary number.
Re: GMAT Prep : DS
[#permalink]
04 Jul 2006, 14:58
04 Jul 2006, 14:58
When 2-SQRT(x) is -ve then the expression become undefined.
This happens when x = 5
This happens when x = 5
