MHT CET 2025 Mathematics question

If the foot of the perpendicular drawn from the origin to a plane is P(-1, -1, 2), then equation of the plane is

Answer: (A)

Solution

The normal to the plane is along , and the plane passes through . Equation: $-1(x+1)-1(y+1)+2(z-2)=0⇒ -x-y+2z-6=0⇒

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Question ID VK-103165