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3D Geometry question

2004 · Shift 0 · Q114

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PYQ Library
JEE Main
Mathematics
3D Geometry
2004 · Shift 0 · Q114

3D Geometry question

2004 · Shift 0 · Q114

JEE MainMathematics3D GeometryMCQ+4 / −1

If the straight lines

x=1+s,y=-3 - \lambda s,z = 1 + \lambda s

and

x = {t \over 2},y = 1 + t,z = 2 - t,

with parameters

s

and

t

respectively, are co-planar, then

\lambda

equals :

A
$0$
B
$-1$
C
$- {1 \over 2}$
D
$-2$

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