Show that 112+12\displaystyle \frac{1}{\frac{1}{\sqrt{2}} + \frac{1}{\sqrt{2}}}21+211 can be written as 22\displaystyle \frac{\sqrt{2}}{2}22
217 exam-style questions on Eduqas GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.