Mathematics for IGCSE & O level - Vectors (Section 4 - No. 6) | ExamPlay

Mathematics for IGCSE & O level - Vectors (Section 4 - No. 6)

If vector a = [2, 5], what is the magnitude of -a?

-√29

√29

3

-3

Explanation

-a = [-2, -5]. Magnitude = √((-2)^2 + (-5)^2) = √29.

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