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3D Geometry question

2024 · 1 Feb · Shift 2 · Q47

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JEE Main
Mathematics
3D Geometry
2024 · 1 Feb · Shift 2 · Q47

3D Geometry question

2024 · 1 Feb · Shift 2 · Q47

JEE MainMathematics3D GeometryMCQ+4 / −1

If the mirror image of the point

P(3,4,9)

in the line

\frac{x-1}{3}=\frac{y+1}{2}=\frac{z-2}{1}

is

(\alpha, \beta, \gamma)

, then 14

(\alpha+\beta+\gamma)

is :

A
102
B
138
C
132
D
108

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