defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Three Dimensional Geometry Collinearity of points
If the line passes through the points \(P(6, -1, 2), Q(8, -7, 2\lambda)\) and \(R(5, 2, 4)\) then value of \(\lambda\) is ________.
1
\(-3\)
2
\(0\)
3
\(-1\)
4
\(2\)