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Mathematics for IGCSE & O level - Vectors (Section 6 - No. 25)

If A is the point (1, 0) and B is the point (0, 1), what is the magnitude of the vector AB?
1
√2
2
0

Penjelasan

AB = B - A = (-1, 1). Magnitude = √((-1)^2 + 1^2) = √2

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