CUET and UG exam BITSAT Mock Test Series 2025 Mathematics Three Dimensional Geometry Angle between two lines
If lines \(\frac{x-1}{-3}=\frac{y-2}{2 k}=\frac{z-3}{2}\) and \(\frac{x-1}{3 k}=\frac{y-5}{1}=\frac{z-6}{-5}\) are mutually perpendicular, then k is equal to
1
\(-\frac{10}{7}\)
2
\(-\frac{7}{10}\)
3
-10
4
-7