Mathematics Education Surds lesson 8 – Rationalising denominators using conjugates By Magic Monk on Wednesday, April 3, 2019 In this final lesson of surds, we talk about how to rationalise demoniators when they are the sum of 2 surds, by using their conjugates. education mathematics steemiteducation steemstem Previous Post Next Post Related Posts Mathematics Education Vector applications question – Elastic collision, momentum, and kinetic energy Mathematics Education Vectors lesson 21 – Basic vector operations in Geogebra Mathematics Education Vectors lesson 20 – drawing vectors in Geogebra