If x=a(b-c),y=b(c-a),z=c(a-b), then the value of (x/a)^3+(y/b)^3+(z/c) – McqOptions

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1.	If x=a(b-c),y=b(c-a),z=c(a-b), then the value of (x/a)^3+(y/b)^3+(z/c)3 is
A.	xyz/abc
B.	0
C.	3xyz/abc
D.	2xyz/abc
Answer» D. 2xyz/abc

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