Rationalise the denominators of the following:
$fraction numerator 1 over denominator square root of 7 end fraction$

fraction numerator 1 over denominator square root of 7 end fraction fraction numerator 1 over denominator square root of 7 end fraction equals fraction numerator 1 over denominator square root of 7 end fraction cross times fraction numerator square root of 7 over denominator square root of 7 end fraction

Multiplying and dividing by

square root of 7

fraction numerator square root of 7 over denominator 7 end fraction.

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Number Systems

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