Repeating Your Reasoning
No captions 
Captions
Stop the video above first if it is playing.
Sasha and Keoni apply their methods to construct a second parabola with a different focus and directrix.
MathTalkMathTalk
No captions Captions
Stop the video above first if it is playing.
Sasha and Keoni apply their methods to construct a second parabola with a different focus and directrix.