Question

prove that cube root of two is a irrational number ​

Answer 1

A different approach is using polynomials and the rational root theorem. Since 3√2 is a root of f(x)=x3−2, it is enough to show that if f(x) has no rational roots, then 3√2 is irrational.

Answer 2

Answer:

A different approach is using polynomials and the rational root theorem. Since 3√2 is a root of f(x)=x3−2, it is enough to show that if f(x) has no rational roots, then 3√2 is irrational.