The Best Explanation of the Equation of an Ellipse

https://mathematicsonline.etsy.com/ Enjoyed the video? Show your love for math by checking out our exclusive math merch! Click the link above to grab your favorite items and support our channel. Your contribution helps us keep creating content you enjoy. Thank you for being a part of our community! In this video we derive the equation of an ellipse. An ellipse is defined as the locus of all points in the plane for which the sum of the distances r1 and r2 to two fixed points F1 and F2 (called the foci) separated by a distance 2c, is a given constant 2a. Therefore, from this definition the equation of the ellipse is: r1 + r2 = 2a, where a = semi-major axis.

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