Show that 9+234+3\displaystyle \frac{9 + 2\sqrt{3}}{4 + \sqrt{3}}4+39+23 can be written as 30−313\displaystyle \frac{30 - \sqrt{3}}{13}1330−3
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.