Consider the lines $L_1$ and $L_2$ given below:
$\begin{aligned}<br/>& L_1: x=2+\lambda, \quad y=3+2 \lambda, \quad z=4+3 \lambda \\<br/>& L_2: x=4+\lambda, \quad y=4, \quad z=4+\lambda<br/>\end{aligned}$
If $(2,3,4)$ is the point of $L_1$ that is closest to $L_2$, then which point of $L_2$ is closest to $L_1$ ?

• Correct answer
  A

  $(3,4,3)$
• B

  $(3,4,4)$
• C

  $(4,4,4)$
• D

  $(5,4,5)$

Hence, the correct answer is option: 'A'.