Question

proove that
$\sqrt{2}$
is irrational

Answer 1

Proof that the square root of 2 is irrational. Assume is rational, i.e. it can be expressed as a rational fraction of the form , where and are two relatively prime integers. ... However, two even numbers cannot be relatively prime, so cannot be expressed as a rational fraction; hence is irrational.

Answer 2

any prime no. in under root is irrational no .

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