28 Dec 2020 Question of the Day /Posted Bystephen/Comments0 Prove that $\sqrt{2}+\sqrt{3}$ is irrational without assuming any particular surd is irrational i.e. you must prove first that a surd like $\sqrt{6}$ is irrational. https://mathsgrinds.ie/wp-content/uploads/2020/12/2020-12-13_21-44-29.mp4