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3D Geometry question

2019 · 9 Jan · Shift 2 · Q27

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JEE Main
Mathematics
3D Geometry
2019 · 9 Jan · Shift 2 · Q27

3D Geometry question

2019 · 9 Jan · Shift 2 · Q27

JEE MainMathematics3D GeometryMCQ+4 / −1

If the lines x = ay + b, z = cy + d and x = a'z + b', y = c'z + d' are perpendicular, then :

A
ab' + bc' + 1 = 0
B
cc' + a + a' = 0
C
bb' + cc' + 1 = 0
D
aa' + c + c' = 0

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