3. Prove that the following are irrationals:(i) (1over{sqrt{2}})(ii) (7sqrt{5})(iii) (6+sqrt{2}) Previous Next Class 10Real NumbersExercise 1.21. Prove that (sqrt{5}) is irrational.2. Prove that (3+2sqrt{5}) is irrational.3. Prove that the following are irrationals :(i) (1over{sqrt{2}})(ii) (7sqrt{5})(iii) (6+sqrt{2})