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 2 - sqrt 5 is it a rational number or irrtional

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2 - sqrt 5 is it a rational number or irrtional

 May 13, 2015

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 #2
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Irrational, since it isn't a real ratio of two real integers.

 May 13, 2015

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 #1
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-0.2360679774997897

 May 13, 2015
 #2
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+5
Best Answer

Irrational, since it isn't a real ratio of two real integers.

EinsteinJr May 13, 2015

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