Bectangle Bectangle

10-04-2017
Mathematics

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simplify the problem 2/sqrt 5

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ijustneedsomehelp ijustneedsomehelp

10-04-2017

2/sqrt 5

by rationalising the denominator,

2/sqrt 5 × sqrt 5/sqrt 5

= 2(sqrt 5)/sqrt 5(sqrt 5)

= 2 sqrt 5/5

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