defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Lines Sectional Formula
Let α, β, γ, δ ∈ Z and let A (α, β), B (1, 0), C (γ, δ) and D (1, 2) be the vertices of a parallelogram ABCD. If AB = \(\sqrt {10}\) and the points A and C lie on the line 3y = 2x + 1, then 2 (α + β + γ + δ) is equal to
1
10
2
5
3
12
4
8