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Question

If A and B are two non-zero vectors andA×B=B×A then the angle between A and B is

A
π2
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B
π3
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C
π
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D
π4
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Solution

The correct option is C π
We know that , A×B=(B×A)
But, if the angle between A and B is integer multiple of π,
Then only A×B=B×A=0
Hence, the angle between A and B is π according to options.

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