If x , y, and z are real numbers such that (x 3)2 + (y 4)2 + (z 5)2 = 0 then, (x + y + z) is equal to

If x , y, and z are real numbers such that (x 3)2 + (y 4)2 + (z

1.	If x , y, and z are real numbers such that (x 3)2 + (y 4)2 + (z 5)2 = 0 then, (x + y + z) is equal to
A.	12
B.	0
C.	8
D.	12
Answer» E.