MCQ
The two vectors $\vec A$ and $\vec B$ that are parallel to each other are
  • $\vec A = 3\hat i + 6\hat j + 9\hat k$     $\vec B = \hat i + 2\hat j + 3\hat k$
  • B
    $\vec A = 3\hat i - 6\hat j + 9\hat k$     $\vec B = \hat i + 2\hat j + 3\hat k$
  • C
    $\vec A = 2\hat i + 6\hat j - 9\hat k$     $\vec B = \hat i + 2\hat j - 3\hat k$
  • D
    $\vec A = 2\hat i + 3\hat j + 3\hat k$     $\vec B = \hat i - 2\hat j - 3\hat k$

Answer

Correct option: A.
$\vec A = 3\hat i + 6\hat j + 9\hat k$     $\vec B = \hat i + 2\hat j + 3\hat k$
a

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