" If "3" Prove that "sqrt(n)" is not a rational number,if "n" is not a perfect square "

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.

What is sqrt(n) if n is not a perfect square number?

If tanalpha=sqrt(a) , where a is a rational number whch is not a perfect square, then which of the following is a rational number?

If tanalpha=sqrt(a) , where a is a rational number whch is not a perfect square, then which of the following is a rational number?

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

State whether the following statements are true or false . Justify your answers . (i) Every irrational number is a real number . (ii) Every rational number is a real number . (iii) Every real number need not be a rational number (iv) sqrt(n) is not irrational if n is a perfect square .

Prove that sqrtn , n being not a perfect square, is not a rational number.