Question

x+2y =3 ; (k-1)x +(k+1)y = k+2

Answer 1

since these equations have no solotions

Step-by-step explanation:

a1 / a2 = b1 / b2 ¥ c1/ c2 i.e parellel line

a1 = 1 b1 = 2 c1 = -3

a2 = k-1 b2 = k+1 c2 = -( k+2)

1/ k-1 = 2/ k+1 ¥ -3/ -k-2

k+1 = 2 ( k-1)

k+1 = 2k- 2

2k-k = -2 -1

k = 3

k =