Equation of a plane perpendicular to the plane x + 5y + 11z = 7 is :
Equation of a plane perpendicular to the plane x + 5y + 11z = 7 is :
(A) x + y + z = 3
(B) x + 5y + 11z = 1
(C) x + 2y – z = 3
(D) None of these
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