What is direction of vector a if it is multiplied with - : 1. Dow… - Vidyadip

Question

What is direction of vector $\vec{\text{a}}$ if it is multiplied with $-\lambda$:

Downwards
Upwards
Same
Opposite

✓

Answer

Opposite

Solution:

If the vector is multiplied with $-\lambda$ then its direction become opposite as the direction in which it was previous may be positive or negative. After it is multiplied with a negative value then its direction becomes exactly opposite to the previous direction.

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