Question

If the dot product of two nonzero vectors A and B is zero then the
magnitude of their cross product is
A. 0
B. 1
C. AB
D-AB​

Answer 1

Answer:

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Explanation:

Dot product of two vectors a and b is

a

.

b

=abcosθ where θ is the angle between them.

abcosθ=0

⇒cosθ=0

⇒θ=90

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