∴ It is of the form SP=ePM ∴ Focus =(3,−1) Equation of directrix =4x+3y Since, Transverse axis perpendicular to directrix and passing through focus. ∴‌‌3x−4y+k=0 3(3)−4(−1)+k=0 13+k=0 k=−13 ∴ Required Line is 3x−4y−13=0 3x−4y=13