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Surds
Comprehend and apply the concept of surds, which involves simplifying expressions such as √20 = 2√5 and √(200 - 32) = 6√2. Additionally, rationalize denominators in expressions like √10 = 2√5/5 and 1/(1 + √3) = (1 - √3)/(2 - 1).
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10
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46 min
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CambridgeIGCSEMathematicsExtended Number
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Surds outcomes1 objectives
- Comprehend and apply the concept of surds, which involves simplifying expressions such as √20 = 2√5 and √(200 - 32) = 6√2. Additionally, rationalize denominators in expressions like √10 = 2√5/5 and 1/(1 + √3) = (1 - √3)/(2 - 1).
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