Question

For which value of k will the following pair of linear equations have unique solution? kx + 2y = 5 3x + y = 1 ​

Answer 1

Answer:

$3x + y = 1 \\ x = - 1 \\ y = 2 \\ \\ kx + 2y = 5 \\ (k \times - 1) + 2 \times 2 = 5 \\ - k + 4 = 5 \\ - k = 5 - 4 \\ k = - 1$

Answer 2

this is your answer.hope it is correct.. .