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 5)2

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.

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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

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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