Question

Prove that cube root of 2 is irrational .

Answer 1

(i) 0 is rational number,since we can write, 0=0/1,

(ii)Every natural number is rational number,since we can write,1=1/1,2=2/1,3=3/1,etc.

(iii) The number of the form p/q,where p and q are integers and p not equal 0, are known as rational number