Direction ratios of two lines are a, b, c and \[\frac{1}{bc},\frac{1}{ca},\frac{1}{ab}\]. The lines are

Direction ratios of two lines are a, b, c and \[\frac{1}{bc},\frac{1}{

1.	Direction ratios of two lines are a, b, c and \[\frac{1}{bc},\frac{1}{ca},\frac{1}{ab}\]. The lines are
A.	Mutually perpendicular
B.	Parallel
C.	Coincident
D.	None of these
Answer» C. Coincident

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Direction ratios of two lines are a, b, c and \[\frac{1}{bc},\frac{1}{ca},\frac{1}{ab}\]. The lines are

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