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Question
Rationalise the denominator `5/(3sqrt(5))`
Sum
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Solution
`5/(3sqrt(5)) = 5/(3sqrt(5)) xx sqrt(5)/sqrt(5)`
= `(5sqrt(5))/(3 xx 5)`
= `sqrt(5)/3`
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Rationalisation of Surds
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Chapter 2: Real Numbers - Exercise 2.7 [Page 70]
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