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

Which of the following statements is correct regarding a scalar multiple of a vector?
A scalar multiple changes both the magnitude and direction.
A scalar multiple only changes the direction, not the magnitude.
A scalar multiple only changes the magnitude, not the direction (unless the scalar is negative).
A scalar multiple always results in a zero vector.

توضیح

A scalar multiplies only changes the magnitude, but reverses the direction if the scalar is negative.

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