Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Quantitative Aptitude Algebra Linear Equation in 2 Variable
If the system of equations
2x + 3y = 7
2ax + (a + b)y = 28
has infinitely many solutions, then
1
a = 2b
2
b = 2a
3
a + 2b = 0
4
2a + b = 0
5
Not Attempted