MCQ
If line $\frac{2 x-4}{\lambda}=\frac{ y -1}{2}=\frac{ z -3}{1}$ and $\frac{x-1}{1}=\frac{3 y -1}{\lambda}=\frac{ z -2}{1}$ are perpendicular to each other then $\lambda=$
- A7
- B6
- ✓$-\frac{6}{7}$
- D$-\frac{7}{6}$
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