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1 Unit 1: Pure Mathematics A

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Question 78

Given that k k\,k is an integer, express 18−k4−8\dfrac{\sqrt{18}-k}{4-\sqrt8}4−8​18​−k​ in the form a+b2a+b\sqrt2a+b2​, where a a\,a and b b\,b are rational expressions in terms of kkk.

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1 Unit 1: Pure Mathematics A Questions

  1. A Level
  2. /Maths
  3. /1 Unit 1: Pure Mathematics A

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