If the roots of the equation x^(3) - 7x^...

If the roots of the equation `x^(3) - 7x^(2) + 14x - 8 = 0 `
are in geometric progression, then the difference between the largest and the smallest roots is

A

`1/2`

B

`2`

C

`3`

D

`4`

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The correct Answer is:

C

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