1.For x2−y2−4x+2y+c=0x^2-y^2-4x+2y+c=0x2−y2−4x+2y+c=0, focus S(2+22,k)S(2+2\sqrt{2},k)S(2+22,k), directrix x=2+2x=2+\sqrt{2}x=2+2, c=c=c=a.000b.−1-1−1c.111d.222Login to continueOnly logged in users canattempt or see the solution.