Why is the square root of 2 irrational?

If you haven't already, check out our newest video about the irrationality of √2! And even if you have, watch it again!

It'll use something called a proof by contradiction - watch the video to find out, and watch the drama unfold as the contradiction bares itself and betrays the true nature of the square root of 2!

As an extension, can we use the same proof to prove that the cube root of 2 is irrational? What about any other roots, and what about roots of other numbers?

We have more videos coming, so stay tuned! Subscribe, like, share our video - it all gives us a helping hand :)