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If x =2 + 2 ^( 2//3) + 2 ^( 1//3), then ...

If `x =2 + 2 ^( 2//3) + 2 ^( 1//3),` then what is the vlaue of `x ^(3) - 6x ^(2) + 6x` ?

A

3

B

2

C

1

D

0

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