Problem Statement: ME Board October 1997
The general equation of a conic section is given by the following equation: Ax2 + Bxy + Cy2 + Dx + Ey + F = 0. A curve maybe identified as an ellipse by which of the following conditions?
A. B2 – 4AC < 0
B. B2 – 4AC = 0
C. B2 – 4AC > 0
D. B2 – 4AC = 1
The correct condition above is B^2 – 4AC < 0.Solution: