The distance of the point having position vector $ - \widehat i + 2\widehat j + 6\widehat k$
from the straight line passing through the point
(2, 3, – 4) and parallel to the vector, $6\widehat i + 3\widehat j - 4\widehat k$ is :
6
7
$2\sqrt {13} $
$4\sqrt 3 $
Solution
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