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JEE Main Math Class 12 Three Dimensional Geometry Part 2 Questions

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Question : 2

Total: 100

If the mirror image of the point (2,4,7) in the plane 3x−y+4z=2 is (a,b,c), then 2a+b+2c is equal to:

[29-Jun-2022-Shift-1]

54
50
−6
−42

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