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If x=(b-c)(a-d),y=(c-a)(b-d),z=(a-b)(c-d...

If `x=(b-c)(a-d),y=(c-a)(b-d),z=(a-b)(c-d)`, then the what is `x^(3)+y^(3)+z^(3)` equal to?

A

xyz

B

2xyz

C

3xyz

D

`-3xyz`

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