If \(\left(\frac{1}{2}, \frac{1}{3}, n\right)\) are the direction cosines of a line, then the value of n is
A. \(\frac{\sqrt{23}}{6}\)
B. \(\frac{23}{6}\)
C. \(\frac{2}{3}\)
D. \(\frac{3}{2}\)
Answer:A
If \(\left(\frac{1}{2}, \frac{1}{3}, n\right)\) are the direction cosines of a line, then the value of n is
A. \(\frac{\sqrt{23}}{6}\) B. \(\frac{23}{6}\) C. \(\frac{2}{3}\) D. \(\frac{3}{2}\)