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3D Geometry question

2018 · 16 Apr · Shift 1 · Q44

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JEE Main
Mathematics
3D Geometry
2018 · 16 Apr · Shift 1 · Q44

3D Geometry question

2018 · 16 Apr · Shift 1 · Q44

JEE MainMathematics3D GeometryMCQ+4 / −1

If the angle between the lines,

{x \over 2} = {y \over 2} = {z \over 1}

and

{{5 - x} \over { - 2}} = {{7y - 14} \over p} = {{z - 3} \over 4}\,\,

is

{\cos ^{ - 1}}\left( {{2 \over 3}} \right),

then p is equal to :

A
${7 \over 2}$
B
${2 \over 7}$
C
$-{7 \over 4}$
D
$-{4 \over 7}$

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