Show that 13+7313 + 7\sqrt{3}13+73 can be written as 5+32−3\displaystyle \frac{5 + \sqrt{3}}{2 - \sqrt{3}}2−35+3
233 exam-style questions on Edexcel A 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.