Q1. Prove that `sqrt{5}` is irrational.
Solution 1
Q2. Prove that 3 + `2sqrt{5}` is irrational.
Solution 2.
Q3. Prove that the following are irrationals: (i) `frac{1}{sqrt{5}}` (ii) 7 `sqrt{5}`(iii) 6 + `sqrt{2}`
Solution 3.
Solution 1
Solution 2.
Solution 3.