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3D Geometry question

2022 · 27 Jul · Shift 2 · Q32

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JEE Main
Mathematics
3D Geometry
2022 · 27 Jul · Shift 2 · Q32

3D Geometry question

2022 · 27 Jul · Shift 2 · Q32

JEE MainMathematics3D GeometryMCQ+4 / −1

If the length of the perpendicular drawn from the point

P(a, 4,2)

, a

\gt 0

on the line

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

is

2 \sqrt{6}

units and

Q\left(\alpha_{1}, \alpha_{2}, \alpha_{3}\right)

is the image of the point P in this line, then

\mathrm{a}+\sum\limits_{i=1}^{3} \alpha_{i}

is equal to :

A
7
B
8
C
12
D
14

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