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Q5 — Surds and rationalising the denominator (Higher)

GCSE · Mathematics · CCEA · N — Number

Question

Question (4 marks)

(a) Simplify 72+50−8\sqrt{72} + \sqrt{50} - \sqrt{8}, giving your answer in the form k2k\sqrt{2}. (2)

(b) Rationalise the denominator of 63−3\dfrac{6}{3 - \sqrt{3}} and simplify. (2)


4 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.