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If vec a and vec b are two perpendicular...

If `vec a` and `vec b` are two perpendicular vectors then

A

`(vec a + vec b)^(2) = vec a^(2) + vec b^(2)`

B

`(vec a - vec b)^(2) = vec a^(2) + vec b^(2)`

C

`(vec a + vec b)^(2) = (vec a- vec b)^(2)`

D

All of the above

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The correct Answer is:
D
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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