The direction ratios of two lines are a_ 1 b_ 1 c and 1 bc , 1 ca , 1 ab respectively…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
The direction ratios of two lines are \(a_{1} b_{1} c\) and \(\frac{1}{\mathrm{bc}}, \frac{1}{\mathrm{ca}}, \frac{1}{\mathrm{ab}}\) respectively. Then lines are
- Coincident
- Parallel
- Perpendicular
- None of these
Answer
(B) Parallel
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