The position vectors of A and B are (2i + j) and (-i + 4j)
FURTHER MATHEMATICS
WAEC 2009
The position vectors of A and B are (2i + j) and (-i + 4j) respectively; find |AB|.
- A. \(3\sqrt{2}\)
- B. \(\sqrt{34}\)
- C. \(\sqrt{34}\)
- D. \(9\sqrt{2}\)
Correct Answer: A. \(3\sqrt{2}\)
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