Show that k+232+3\displaystyle \frac{k + 2\sqrt{3}}{2 + \sqrt{3}}2+3k+23 can be written as (2k−6)+(4−k)3(2k - 6) + (4 - k)\sqrt{3}(2k−6)+(4−k)3
217 exam-style questions on CCEA GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.