Question

Prove that underroot 2 is not a rational number...
Plz solve it...​

Answer 1

Step-by-step explanation:

Let √2 is rational

It means √2= p/q

p=√2q

p²=√2q²

p²=2q²

it means it is divisible by p and q which is not possible because p and q cannot have a co-prime factor...

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