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If is the angle between any two vectors ` -> a` and ` -> b` , then `| -> adot -> b|=| -> axx -> b|` when `theta` is equal to (a) 0 (B) `pi/4` (C) `pi/2` (d) `pi`

A

0

B

`(pi)/(4)`

C

`(pi)/(2)`

D

`pi`

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The correct Answer is:
B
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MODERN PUBLICATION-VECTOR ALGEBRA -Miscellaneous Exercise on Chapter 10
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