The direction cosines of the line x - y + 2z = 5 and 3x + y + z = 6 are

MHT CET 2025 Mathematics question

The direction cosines of the line and are

Answer: (A)

The line of intersection of two planes is perpendicular to both normals and , so its direction ratios are given by . Magnitude \sqrt{9 + 25 + 16}$

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Question ID VK-101356