Show that 5+23−22\displaystyle \frac{5 + \sqrt{2}}{3 - 2\sqrt{2}}3−225+2 can be written as 19+13219 + 13\sqrt{2}19+132
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.