Question

for what value of k, the system of equations have unique solution: 2x+ky=1 and 3x-5y=7​

Answer 1

Step-by-step explanation:

For unique solution a1/a2 does not equal to b1/b2

So, 2/3does not equal to k/5

=> 3k does not equal to 15

=> k does not equal to 5