Question

If ⃗ A+B ⃗⃗ = ⃗ A-B ⃗⃗, then vector ⃗⃗ B must be
(a) zero vector
(b) unit vector
(c) Non zero vector
(d) equal to ⃗​A

Answer 1

Answer:

option a

Explanation:

A+B=A-B

2B=A-A

B=0

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