a. Express 80 in the form a5, where a is an integer. b. Express (4 5)
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a. Express √80 in the form a√5, where a is an integer.
b. Express (4 − √5)2 in the form b + c√5, where b and c are integers.
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a To express 80 in the form a5 we need to simplify the square root ...View the full answer
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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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