Question

find the value of (a) for which the following system represent parallel lines. x-y/3 =1/3 ; 2(a-1)x+y=1

Answer 1

Answer:

a= 5/2

Step-by-step explanation:

for parallel line

a1\a2 =b1/b2 not =c1/c2

 1/2a-2 =1/3=1/3

1/2a-2 =1/3

2a -2 =3

2a = 5

 a =5/2

hope so it is correct!!!!!!!!!!!!!!