Show that 113+23\displaystyle \frac{1}{\frac{1}{\sqrt{3}} + 2\sqrt{3}}31+231 can be written as 37\displaystyle \frac{\sqrt{3}}{7}73
217 exam-style questions on Eduqas GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.