A curve ax2 + 2hy + by2+2gx+2fy+c =0 is an ellipse if . A. h2 − ab= 0 B. h2 − ab˃0 C. h2 − ab˂0 D. h2 + ab≤0 View AnswerC. h2 − ab˂0 Related Posts: Complex Analysis MCQs Test
