Q. If roots of quadratic equation `ax^2+2bx+c=0` are not real,then `ax^2+2bxy+cy^2+dx+ey+f=0` represents a) Ellipse b) Circle c) Parabola d)Hyperbola and why?

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aruv | High School Teacher | (Level 2) Valedictorian

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Ans. A Ellipse


`ax^2+2bx+c=0`  has no real roots.




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