Prove that `sqrt(17)` is not a rational number.

3 is a rational number.

Prove that sqrt2 is not a rational number.

Prove that sqrt3+sqrt7 is an irrational number.

Prove that sqrt5-sqrt3 is a irrational number.

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

Prove that sqrt3 is an irratinal number.

Whether the following statement is true or false? Give a valid reason for saying so. t : sqrt 11 is a rational number.

Every rational number is:

Zero is the smallest rational number.