Question

For what value of k, the pair of equations 6x + 3y + 10 = 0 and 2x + ky + 9 = 0 has
unique solution?​

Answer 1

Answer:

k ≠ 1

Step-by-step explanation:

6x + 3y + 10 = 0

2x + ky + 9 = 0

A1 / A2 ≠ B1 / B2

6/2 ≠ 3/k

3k ≠ 3

k ≠ 1