Question

I have tried to prove 2 as irrational (I know that 2 is rational) please see and tell me where I have one mistake ... pl tell genuine answer
;- this is the method that is used to prove that √2 is irrational​

Answer 1

Answer:

u have written 4c as a factor of b and a but its actually 4c^2=b^2 so it will be 2c is a factor of a and b