Which is the simplified form of the expression (StartFraction (2 Superscript negative 3 Baseline) (x Superscript negative 3 Baseline) (y squared) Over (4 Superscript negative 2 Baseline) (x Superscript 4 Baseline) (y Superscript 6 Baseline) EndFraction) Squared? StartFraction 1 Over 4 x squared y Superscript 16 Baseline EndFraction StartFraction 4 Over x squared y Superscript 16 Baseline EndFraction StartFraction 1 Over 4 x Superscript 14 y Superscript 8 Baseline EndFraction StartFraction 4 Over x Superscript 14 Baseline y Superscript 8 Baseline EndFraction