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Test Prep Sq Root


 
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moneyman
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PostPosted: Sun Jan 20, 2008 4:20 am    Post subject: Test Prep Sq Root Reply with quote
For which of the foll values of x is sq.rt[1-sq.rt(2-sq.rtx)] NOT defined as a real number?

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5

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sankruth
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PostPosted: Sun Jan 20, 2008 4:31 am    Post subject: Reply with quote
5

because sqrt(2-sqrt(5)) is not a real number
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