2. Prove that 3 + 2√5 is irrational. 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}) Leave A Comment Cancel Reply Logged in as chillimath. Log out » Comments Name Email Sign me up for the newsletter!