If a, b are rational numbers and ( a 1) 2 + 3 = b 2 + a , the value of (a + b) is

If a, b are rational numbers and ( a 1) 2 + 3 = b 2 + a , the value

1.	If a, b are rational numbers and ( a 1) 2 + 3 = b 2 + a , the value of (a + b) is
A.	5
B.	3
C.	3
D.	5
Answer» E.