18 Surds and Indices, Edexcel 2019 Maths GCSE Higher Tier Paper 1, question 18

Here we continue to go through GCSE past paper maths questions. This one is a tricky one involving surds and indices, and relies on you knowing how to simplify surds and use the rules of indices in order to manipulate numbers in surd form. Some of the rules you will use include addition of powers when two number with indices are added, and multiplying powers when one of the indices is outside a bracket.

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