2x – 3y = 7, (a + b)x – (a + b – 3)y = 4a + b has infinitely many solutions, are :
A. a = – 5, b = 2
B. a = – 2, b = – 5
C. a = – 5, b = – 1
D. a = – 1, b = – 5.
Answer:C
2x – 3y = 7, (a + b)x – (a + b – 3)y = 4a + b has infinitely many solutions, are :
A. a = – 5, b = 2 B. a = – 2, b = – 5 C. a = – 5, b = – 1 D. a = – 1, b = – 5.