Question

prove that√2 is an irrational number​

Answer 1

Answer:

follow the steps

First , let us assume to contrary , that √2 is a rational number . It means √2=a/b where a and b are co- prime.

After squaring both sides ,

2= A2/b2 = 2b2 = A2

That means à sqaure divisible by 2 but , a divisible by 2.