Show that an equation of the form Ax2 + Cy2 + F = 0, A 0,
Chapter 10, Problem 83(choose chapter or problem)
Show that an equation of the form Ax2 + Cy2 + F = 0, A 0, C 0, F 0 where A and C are of the same sign and F is of opposite sign, (a) is the equation of an ellipse with center at 10, 02 if A C. (b) is the equation of a circle with center 10, 02 if A = C. 8
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