The definition of a parabola.

作者：ltgrau

We construct a parabola moving the point R in the plane. The objective is to visualize the definition of the parabola as the set of points located at the same distance from the focus and a line (directrix).

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Animation Using Bézier Curves
Parabola dilation
test01
Derivative as a function
การลบจำนวนเต็ม

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直角三角形
Dilation
錐體
雙曲線
幾何中心或重心

The definition of a parabola.

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