Arithmetic With Surds | Year 1 Pure | A Level Maths
Surds appear throughout A-level maths whenever exact answers are required, and this lesson develops fluency with the standard arithmetic operations. In this lesson you will learn how to add and subtract like surds, multiply and divide surds, and simplify the results, using the rules sqrt(x) times sqrt(y) equals sqrt(xy) and (sqrt(x))^2 equals x. Confident manipulation of surds underpins work on quadratic equations, the discriminant, trigonometry and coordinate geometry.
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Lesson Video On Arithmetic With Surds
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Lesson Resources For Arithmetic With Surds
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