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Two vector A and B have equal magnitudes...

Two vector A and B have equal magnitudes. Then the vector `A+B` is perpendicular to

A

`AxxB`

B

`A-B`

C

`3A-3B`

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
A
`vecAxxvecB` is a vector perpendicular to plane `vecA+vecB` and hence perpendicular to `vecA+vecB`.
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