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Published byAngel Fitzgerald Modified over 9 years ago
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Background Knowledge By the end of this lesson you will be able to explain/calculate the following: 1.Surds 2.Radicals
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Surds and Radicals radical A radical is any number which is written with the radical sign surd A surd is a real, irrational radical such as Surds are present in solutions to some quadratic equations. is a radical but is not a surd as it simplifies to 2.
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Surds and Radicals - Properties is the non-negative number such that is never negative, so is meaningful only for for
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Worked Example 1
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Exercise A
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Worked Example 2
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Exercise A
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Worked Example 3 Factorise 18 with the highest possible square factor
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Exercise A
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Worked Example 4
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Exercise A
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Worked Example 5
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Exercise A
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