The image of the point P(1, 3, 4) with respect to the plane Ax+By+Cz+D=0 is (-3, 5, 2). If A+B+C=2, then what is D equal to?

NDA 2026 Mathematics question

The image of the point with respect to the plane is . If , then what is equal to?

Answer: (B)

Let . The normal to the plane is parallel to , i.e. . $A+B+C = 2 ⇒

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Question ID VK-030436