MHT CET 2025 Mathematics question

The direction cosines of a normal to the plane passing through (4, 2, 3), (-1, 4, 2) and (3, 2, 1) are…

Answer: (C)

Solution

Let the points be , , . Then and . A normal to the plane is $×== i(-4-0)- j(10-1)+ k(0+2)=-4 i-9

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Question ID VK-103047