police AP Police Constable (Pre + Mains) Mock Test 2022 Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
For what value of k, the equations kx - 3y - 6 = 0 and 6x – 9y + 7 = 0 have unique solution?
1
k = 1
2
k ≠ 1
3
k = 2
4
k ≠ 2
For what value of k, the equations kx - 3y - 6 = 0 and 6x – 9y + 7 = 0 have unique solution?