Question

19. For what value of k does the pair of equations given below has a unique solution ?
y-x=6
3kx + 2y = 7
plzz solve this ​

Answer 1

Answer:

for unique solution

a/a2 not equal to b/b2

1/2 is not equal to -1/3k

k is not equal to = -2/3

So k can be any real number except -2/3 .

hope it will help you