1.

The vector equation of the plane which is perpendicular to 2bari+3barj+6bark and at a distance of 7 units from origin is

Answer»

`BARR.(2bari+3barj+6bark) =7`
`barr.(2bari+3barj+6bark) =49`
`barr.(2bari+3barj+6bark) =1`
`barr.(2bari+3barj-6bark) =49`

Answer :B


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