Question

Find the value of k so that the pair of linear equations x +2y=5 and 3x+ky+15=0 has a unique solution. ​

Answer 1

Answer:

k has all other values except 6

Step-by-step explanation:

a1/A2 not equal to b1/b2

1/3not equal to 2/k

therefore, k not equal to 6

Answer 2

As they two have a unique solution both the lines are interesting.

So,a1/a2 not equal to b1/b2

1/3 not equal to 2/k

So 6 not equal to k