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  • Surds
    Some roots can be written as whole numbers known as Surds. This video and PDF look at how you can manipulate surds, simplify expressions involving surds and rationalising expressions involving surds.
  • Powers and Indices
    Powers and Indices
    Powers (also called exponents or indices) are a short way of writing multiplication of the same factor. A knowledge of powers, is essential for an understanding of most algebraic processes. In this video and PDF you will learn about powers and rules for manipulating them through a number of worked examples.