Question: (a) If A(Vector) B(Vector) = 0 does it necessarily follow that A = 0 or B = 0? Explain. (b) If A(Vector) B(Vector)

(a) If A̅(Vector) ∙ B̅(Vector) = 0 does it necessarily follow that A = 0 or B = 0? Explain.

(b) If A̅(Vector) × B̅(Vector) = 0, does it necessarily follow that A = 0 or B = 0? Explain.

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