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A-LevelMathematicsVectors9709/31 · Oct/Nov 2024 · Q910 Marks

The position vector of point A relative to the origin O is OA = 8i−5j+6k. The line l passes through A and is parallel to the vector 2i+j+4k.

  1. (a)State a vector equation for l.[2]

Mark scheme

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

  1. [M1] Use a correct method to form a vector equation Allow in column vectors.
  2. [A1] Obtain r = 8i - 5j + 6k + λ(2i + j + 4k) Need r = ...

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About this question

Topic
Vectors, A-Level Mathematics (syllabus 9709). Structured question, 10 marks.
Source
A-Level Mathematics, Oct/Nov 2024 Paper 3 Variant 1, question 9.

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