defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Mathematics Three Dimensional Geometry
Under which one of the following conditions will the two planes x + y + z = 7 and αx + βy + γz = 3, be parallel (but not coincident)?
1
α = β = γ = 1 only
2
α = β = γ = \(\frac{3}{7}\)1 only
3
α = β = γ
4
None of the above