1.

Let baru,barv,barw " be such that " absbaru =1, absbarv=2, absbarw=3 " if the projection of " barv " along " baru "is equal to that of " barw " along " baru and barv,barw are perpendicular to each other, then abs(baru-barv+barw) =

Answer»

2
14
`SQRT14`
`SQRT7`

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