defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Three Dimensional Geometry Coplanar Lines
If the 2 lines \(\rm {x -1\over 2}={y+1\over3}={z\over-1}\) and \(\rm {x+2\over 1}={y-1\overλ}={z-2\over2}\) are coplanar, then λ = ?
1
20
2
26
3
34
4
40