1.

The vector equation of the plane through the point (1,1,-1) and passing through the line of intersection of the planes barr.(bari+3barj-bark) = 0 and barr.(barj+2bark) =0 is

Answer»

1)`barr.(bari+8barj+9bark) =0`
2)`barr.(bari+9barj+11bark) =6`
3)`barr.(bari-barj+13bark) = 0`
4)`barr.(bari+barj+bark) = 9`

Answer :A


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