What is \(\frac{{{{\left( {x - y} \right)}^3}\; + \;{{\left( {y - z} \right)}^3}\; + \;{{\left( {z - x} \right)}^3}}}{{3\left( {x - y} \right)\left( {y - z} \right)\left( {z - x} \right)}}\) equal to?

What is \(\frac{{{{\left( {x - y} \right)}^3}\; + \;{{\left( {y - z} \

1.	What is \(\frac{{{{\left( {x - y} \right)}^3}\; + \;{{\left( {y - z} \right)}^3}\; + \;{{\left( {z - x} \right)}^3}}}{{3\left( {x - y} \right)\left( {y - z} \right)\left( {z - x} \right)}}\) equal to?
A.	1
B.	0
C.	\(\frac{1}{3}\)
D.	3
Answer» B. 0