If 1 = a 4 + b 2 + c and a, b, c are rational numbers, then a + b + c is equal to[ 4 + 2 + 1 ]

If 1 = a 4 + b 2 + c and a, b, c are rational numbers, then a + b

1.	If 1 = a 4 + b 2 + c and a, b, c are rational numbers, then a + b + c is equal to[ 4 + 2 + 1 ]
A.	0
B.	1
C.	2
D.	3
Answer» B. 1