GCSE AQA Surds - AQA Multiplying and dividing surds Surds are numbers left in square root form that are used when detailed accuracy is required in a calculation. They are numbers which, when written ...
Expressions with brackets that include surds, for example \(\sqrt{11}(2-\sqrt{3})\), can be multiplied out in a similar way to multiplying out algebraic expressions ...
Colin Foster looks at the different ways in which surds can be combined – some of which can be difficult for students to make sense of… Students may need calculators to be sure. Three of the ...
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