EXERCISE 1.2

1. Prove that √5 is irrational.             Click To View Answer and Video Explanation
2. Prove that 3 + 2√5 is irrational.     Click To View Answer and Video Explanation
3. Prove that the following are irrationals :
   1. 1/√2      Click To View Answer and Video Explanation
   2. 7√5        Click To View Answer and Video Explanation
   3. 6 + √2    Click To View Answer and Video Explanation