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1 markVector Geometry Problems

CSEC Mathematics · Question 11(a)(ii)

Given the vectors OP = (3, 4), PQ = (-1, 2) and RS = (1, 3).

Show that OQ is parallel to RS, giving a reason for your answer.

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Other parts of this question

  1. 11(a)(i)Determine the vector OQ.[2 marks]
  2. 11(b)(i)Express XZ in terms of a and b.[1 mark]
  3. 11(b)(ii)Express MY in terms of a and b.[3 marks]
  4. 11(c)(i)Determine A⁻¹, the inverse of A.[2 marks]
  5. 11(c)(ii)Show that A⁻¹A = I, the identity matrix.[2 marks]
  6. 11(c)(iii)Determine the matrix A².[2 marks]
  7. 11(c)(iv)a)Explain why the matrix product AB is NOT possible.[1 mark]
  8. 11(c)(iv)b)Without calculating, state the order of the matrix product BA.[1 mark]

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