" Prove that "root(3)(6)" is not a rational number."

Prove that sqrt(2) is not a rational number.

Prove that sqrt(2) is not a rational number.

Prove that sqrt2 is not a rational number.

Prove that, sqrt(3) is not rational.

Define a rational number and prove that sqrt(2) is not rational.

Is (6)/(0) a rational number?

By taking two examples of irrational numbers prove that (a) the sum of them is a rational number, (b) the product of them is a rational number.

Square root of a rational number

Prove that there is no rational number whose square is 6.