The two vectors $\vec A$ and $\vec B$ that are parallel to each other are
The two vectors $\vec A$ and $\vec B$ that are parallel to each other are
- A
$\vec A = 3\hat i + 6\hat j + 9\hat k$ $\vec B = \hat i + 2\hat j + 3\hat k$
- 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
$\vec A = 2\hat i + 3\hat j + 3\hat k$ $\vec B = \hat i - 2\hat j - 3\hat k$
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- [AIIMS 1987]
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