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If a,b,c are vectors such that a*b=0 and...

If a,b,c are vectors such that `a*b=0 and a+b=c`

A

`|a|^(2)+|b|^(2)=|c|^(2)`

B

`|a|^(2)=|b|^(2)+|c|^(2)`

C

`|b|^(2)=|a|^(2)+|c|^(2)`

D

None of these

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A
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