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O-LevelAdditional MathematicsIndices and surds4037/11 · May/June 2022 · Q13 Marks

Find constants a, b and c such that √pq³r⁻³ / ((pq⁻¹)²)r⁻¹ = pᵃqᵇrᶜ.

  1. Find constants a, b and c such that √pq³r⁻³ / ((pq⁻¹)²)r⁻¹ = pᵃqᵇrᶜ.[3]

Mark scheme

Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.

  1. [3] B1 for a = 3/2
  2. B1 for b = 8/3
  3. B1 for c = -2

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About this question

Topic
Indices and surds, O-Level Additional Mathematics (syllabus 4037). Structured question, 3 marks.
Source
O-Level Additional Mathematics, May/June 2022 Paper 1 Variant 1, question 1.

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