If α, β, γ are the cube roots of any number p(p < 0), then for any three numbers x, y, z; \(\rm \frac {x\alpha + y\beta + z\gamma}{x\beta + y\gamma + z\alpha}\) is equal to:

\(\frac {1}{2} \left( -1 + i\sqrt 3 \right)\)

\(\frac {1}{2} \left( 1 + i\sqrt 3 \right)\)

\(\frac {1}{2} \left( 1 - i\sqrt 3 \right)\)

If α, β, γ are the cube roots of any number p(p < 0), then for a

1.	If α, β, γ are the cube roots of any number p(p < 0), then for any three numbers x, y, z; \(\rm \frac {x\alpha + y\beta + z\gamma}{x\beta + y\gamma + z\alpha}\) is equal to:
A.	\(\frac {1}{2} \left( -1 + i\sqrt 3 \right)\)
B.	\(\frac {1}{2} \left( 1 + i\sqrt 3 \right)\)
C.	\(\frac {1}{2} \left( 1 - i\sqrt 3 \right)\)
D.	None of these
Answer» E.