The ellipse will have foci at (-d, 0) and (d, 0). Let the sum of the distances . Then the equation of the ellipse is . I simplified this equation to . Now can you show that the circle has the desired property?
The ellipse will have foci at (-d, 0) and (d, 0). Let the sum of the distances . Then the equation of the ellipse is . I simplified this equation to . Now can you show that the circle has the desired property?
How did u simplify your the equation to the following .??? I tired to square both sides but it just leaves one big mess and i can never get down to the same equation you got.