Show that 2+53+5\displaystyle \frac{2+\sqrt{5}}{3+\sqrt{5}}3+52+5 can be written as 1+54\displaystyle \frac{1+\sqrt{5}}{4}41+5
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.