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 $\lambda=$
  • A
    7
  • B
    6
  • $-\frac{6}{7}$
  • D
    $-\frac{7}{6}$

Answer

Correct option: C.
$-\frac{6}{7}$
C

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