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Grade:

                        

a parabola is drawn to pass through A and B, the ends of a diameter of a given circle of radius a, and to have as directrix a tangent to a concentric circle of radius b ; the axes being AB and a perpendicular diameter , prove that the locus of the focus of the parabola is x^2 / b^2 + y^2/b^2-a^2=1

8 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8407 Points
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6 months ago
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