Is the square root of 75 a rational or irrational number?

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23-08-2015
Mathematics

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Is the square root of 75 a rational or irrational number?

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Аноним Аноним · Answer 1 · 2015-08-23T22:35:10+02:00

Аноним Аноним

23-08-2015

[tex]\sqrt{75}=\sqrt{25\cdot3}=\sqrt{25}\cdot\sqrt3=5\cdot\sqrt3=\boxed{5\sqrt3}\\\\\sqrt{75}\ is\ irrational\ number\ because\ \sqrt3\ is\ irrational\ number.[/tex]

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