0580/11 May/Jun 2023, Question 11: Adding and Subtracting Vectors
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks
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The question, in short
Given column vectors a = (3, 7) and b = (−2, 5), work out the vector a − 2b.
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Solution · 2 marks
- 12b = 2 × (−2, 5) = (−4, 10)
- 2a − 2b = (3 − (−4), 7 − 10)
- 3= column vector (7, −3)
Answercolumn vector (7, −3)
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