Show that 3−24+2\displaystyle \frac{3-\sqrt{2}}{4+\sqrt{2}}4+23−2 can be written as 1−22\displaystyle 1-\frac{\sqrt{2}}{2}1−22
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.