Show that 5+223+22\displaystyle \frac{5 + 2\sqrt{2}}{3 + 2\sqrt{2}}3+225+22 can be written as 7−427 - 4\sqrt{2}7−42
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.