Real Numbers - Irrational Numbers

Concept: Irrational Numbers Proof

Prove that √5 is irrational.

Concept: Irrational Numbers

Prove that 3 + 2 √5 is irrational.

Concept: Proving a number to be irrational

Prove that the following are irrationals.

1. \\frac{1}{\sqrt2})
2. 7 √5
3. 6 + √2