Show that 1+32+3\displaystyle \frac{1+\sqrt{3}}{2+\sqrt{3}}2+31+3 can be written as 3−1\sqrt{3}-13−1
134 exam-style questions on Edexcel AS Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.