defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Three Dimensional Geometry Coplanar Lines
If the lines given by 3x + 2ky = 2 and 2x + 5y + 1 = 0 are parallel, then the value of k is:
1
\(\frac{-5}{4}\)
2
\(\frac{3}{2}\)
3
\(\frac{15}{4}\)
4
\(\frac{2}{5}\)