Coplanar Vector Lines Condition (Jee Mains) | ExamDuo
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3D Line Equations and Skew
Medium
Coplanar Vector Lines Condition
The lines whose vector equations are :
r = a + t b , r = c + t'd are coplanar if :
SELECT ONE OPTION
A
(a – b) . (c × d) = 0
B
(a – c) . (b × d) = 0
C
(b – c) . (a × d) = 0
D
(b – d) . (a × d) = 0
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