Question

prove √5 is irrational
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Answer 1

Step-by-step explanation:

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Answer 2

$\sqrt{5} = \frac{a}{b} \\ ( {5}^{2} ) {2} = \frac{ {a}^{2} }{ {b}^{2} }$

so 5 is a rational number

but

$\sqrt{5}$

is a irrational number

so

$\sqrt{5}$

is irrational number