1.

The shortest distance betweenthe lines vecr = (2 veci -vecj - veck) + lamda ( 2 veci + vecj + 2 veck) and vecr = (veci + 2 vecj + veck) + mu ( veci - vecj + veck)is

Answer»

`3//sqrt2`
`3sqrt2`
`2//sqrt3`
`sqrt2//3`

ANSWER :A


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