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3D Geometry question

2020 · 7 Jan · Shift 2 · Q29
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3D Geometry question

2020 · 7 Jan · Shift 2 · Q29

JEE MainMathematics3D GeometryNumerical+4 / −1
If the foot of the perpendicular drawn from the point (1, 0, 3) on a line passing through (α\alphaα, 7, 1) is (53,73,173)\left( {{5 \over 3},{7 \over 3},{{17} \over 3}} \right)(35​,37​,317​), then α\alphaα is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
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