Show that k13+1\displaystyle \frac{k}{\frac{1}{\sqrt{3}} + 1}31+1k can be written as k(3−3)2\displaystyle \frac{k(3 - \sqrt{3})}{2}2k(3−3)
217 exam-style questions on WJEC GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.