P, Q, R, S are points in a plane such that PQ = 8i -
FURTHER MATHEMATICS
WAEC 2010
P, Q, R, S are points in a plane such that PQ = 8i - 5j, QR = 5i + 7j, RS = 7i + 3j and PS = xi + yj. Find (x, y).
- A. (-6, -15)
- B. (-6, 5)
- C. (20, 5)
- D. (20, 15)
Correct Answer: C. (20, 5)
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