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If x1 x2 x3 = 4(4 + x1 + x2 + x3 ), then...

If `x_1 x_2 x_3 = 4(4 + x_1 + x_2 + x_3 )`, then what is the value of `[1//(2 + x_1 )] + [1//(2 + x_2 )] + [1//(2 + x_3 )]`?

A

1

B

`1//2`

C

2

D

`1//3`

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The correct Answer is:
B
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