Which expression is equivalent to StartRoot StartFraction 8 Over x Superscript 6 Baseline EndFraction EndRoot? Assume x Greater-
than 0. StartFraction x cubed StartRoot 2 EndRoot Over 2 EndFraction StartFraction 4 StartRoot 2 EndRoot Over x cubed EndFraction StartFraction StartRoot 2 EndRoot Over 2 x cubed EndFraction StartFraction 2 StartRoot 2 EndRoot Over x cubed EndFraction