Rationalise Surds

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Rationalise Surds
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When solving quadratic equations, we may obtain
surds as the roots.
Simplifying the surd
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We can also simplify surds which are in the
denominators of fractions.
A fraction is simplified if there are no surds in
the denominator.
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Solution We first simplify the surd.
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SUMMARY
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Exercises Simplify the following by
rationalising the denominators
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