If the direction ratios a, b, c of a line L satisfy the relations ab + bc + ca = 0 and 6 ab + 9 bc + 8 ca = 0, then the direction cosines of the line L are
1
\(\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}\)
2
\(\frac{2}{\sqrt{7}}, \frac{1}{\sqrt{7}}, \frac{-2}{\sqrt{7}}\)
3
\(\frac{-1}{\sqrt{6}}, \frac{\sqrt{3}}{\sqrt{6}}, \frac{\sqrt{2}}{\sqrt{6}}\)
4
\(\frac{-3}{7}, \frac{2}{7}, \frac{-6}{7}\)
5
Question Not Attempted