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A-LevelMathematicsIntegration9709/12 · Feb/Mar 2024 · Q13 Marks

Find the exact value of ∫₃infty 2/(x²)dx.

  1. Find the exact value of ∫₃infty 2/(x²)dx.[3]

Mark scheme

Marking points from the official mark scheme (Feb/Mar 2024). The mark or mark type is shown in brackets.

  1. [B1] Integrate to obtain −2x¯¹
  2. [M1] Substitute limits correctly with clear indication seen that upper limit gives 0
  3. [A1] Obtain ⅔ WWW Accept 0.667.

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About this question

Topic
Integration, A-Level Mathematics (syllabus 9709). Structured question, 3 marks.
Source
A-Level Mathematics, Feb/Mar 2024 Paper 1 Variant 2, question 1.

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