1.

Consider three planes 2x + py + 6z = 8,8x + 2y + qz = 5 and x + y + 3z =4 Three planes intersect at a point if

Answer»

<P>`p = 2, Q ne 3`
` p ne 2, q ne 3`
`p ne 2, q =3`
` p = 2,q =3`

ANSWER :B


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