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If theta is the angle between two vector...

If `theta` is the angle between two vectors ` vec a\ a n d\ vec b ,\ t h e n\ vec adot vec bgeq0` only when `0

A

`0 lt theta lt (pi)/(2)`

B

`0 le theta le (pi)/(2)`

C

`0 lt theta lt pi`

D

`0le theta le pi`

Text Solution

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The correct Answer is:
B
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