If \( \frac{1}{2}, \frac{1}{3}, n \) are direction cosines of a lin... VIDEO
If \( \frac{1}{2}, \frac{1}{3}, n \) are direction cosines of a line, then the
P
W value of \( n \), is
(1) \( \frac{\sqrt{23}}{6} \)
(2) \( \frac{23}{6} \)
(3) \( \frac{2}{3} \)
(4) \( \frac{1}{6} \)
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