ginger346 ginger346
  • 22-02-2018
  • Mathematics
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Is the square root of eight a rational or irrational number

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jdoe0001 jdoe0001
  • 22-02-2018
[tex]\bf \sqrt{8}\implies \sqrt{2\cdot 2\cdot 2}\implies \sqrt{2^2\cdot 2}\implies 2\sqrt{2}[/tex]

it just so happen that √2 is an irrational number, so any product with it as a factor, will yield an irrational number as well.



factoid:   Ancient Greeks were scared of irrational numbers, and they steered clear from √2.
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