Question

Two non-zero vectors A vector and B vector are such that
(a) A vector • B vector = 0
(b) A vector • B vector = AB. what information do we get about A Vector and B vector in each case?
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Answer 1

Que. Two non-zero vectors A vector and B vector are such that (a) A vector • B vector = 0 (b) A vector • B vector = AB. what information do we get about A Vector and B vector in each case?

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Ans :-

(a) A vector • B vector = 0

→ The scalar product of vector A and B is zero. It means that A and B are mutually perpendicular.

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(b) A vector • B vector = AB.

→ A and B are parallel.

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