Question

4. For which value of a, the system of
equation 2x + 3y - 7; ( a- 1)x +
(a + 1)y = 3a + 1 represent parallel line:
(a) a = - 5
(b) a = 10
(c) a 5
(da -5.​

Answer 1

Answer:

hope it will help you in the question I give only you the value of a but neglect value a is also available which is 5/8