Question

B2-4ac =0 when e=1 then the conic
is​

Answer 1

Answer:

If b2 – 4ac = 0, then the graph is a parabola (or two parallel lines, one line or no curve). If b2 – 4ac < 0, then the graph is an ellipse (if b = 0 and a = c, the graph is a circle).