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'The Root of the Problem' printed from http://nrich.maths.org/
Why do this problem ?
gives a neat application involving the manipulation of
surds where surds occur in the denominator of a fraction.
It makes a good rounding-off to the section of work on surds which
includes rationalisation of denominators.
This is a short problem that can be used as a lesson starter to a
lesson on surds or on summing series.
Can you simplify the fractions with the surds in the