Question

The pair of linear equation 2x + ky - 3 = 0
6x + y + 7 = 0 has a unique solution if
x+7=(​

Answer 1

k=2÷3

Step-by-step explanation:

Since, in a unique solution,

a1=2

a2=6

b1=2

b2=3

Where,

a1/a2≠b1/b2

2/6≠2/3

Where 2/6 is not equal to 2/3 which means it has an unique solution.