Correct Answer - Option 4 : Infinite
Given :
The pair of linear equation x + y = 0 and 2x + 2y = 0
Calculation :
x + y = 0 ----(1)equation
2x + 2y =0 ----(2)equation
Dividing equation (2) by 2, we get
⇒ x + y = 0
∴ The two lines represent coincident lines So they have infinitely many solutions.