Which expression is equivalent to the following complex fraction?
StartFraction 1 Over x EndFraction minus StartFraction 1 Over y EndFraction divided by StartFraction 1 Over x EndFraction + StartFraction 1 Over y EndFraction
StartFraction y + x Over y minus x EndFraction
StartFraction (y minus x) (y + x) Over x squared y squared EndFraction
StartFraction x squared y squared Over (y + x) (y + x) EndFraction
StartFraction y minus x Over y + x EndFraction