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Question
If x = a(b - c), y = b(c - a), z = c(a - b), then the value of $${\left( {\frac{x}{a}} \right)^3}$$  + $${\left( {\frac{y}{b}} \right)^3}$$  + $${\left( {\frac{z}{c}} \right)^3}$$   is?
Options:
A .  $$\frac{{xyz}}{{abc}}$$
B .  $$\frac{{2xyz}}{{abc}}$$
C .  $$\frac{{3xyz}}{{abc}}$$
D .  0
Answer: Option C

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