Since both lie on the hyperbola having as foci and passing through, there can't be any more points which are common to this hyperbola and line, meaning that we can't find .
Since pareho kasinungalingan sa hyperbola sa pagkakaroon ng bilang foci at daan, Diyan ay hindi maaaring maging anumang karagdagang mga puntos na kung saan ay karaniwan sa mga ito at hyperbola linya, Ibig sabihin na hindi namin mahanap ang .