Mathematics for IGCSE & O level - Vectors (Section 5 - No. 30)

If AB = [2, 5] and AC = [1, 1], then BC is equal to:

[3, 6]

[-1, -4]

[-1, 4]

[1, 4]

解释

BC = AC - AB = [1, 1] - [2, 5] = [-1, -4]

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