The Witch of Agnesi is a mathematical curve and a specific type of cubic curve. It is also known as the "cubic parabola" and is defined by the following equation in Cartesian coordinates: \[ y = \frac{a^2}{a^2 + x^2} \] where \(a\) is a positive constant that affects the shape and position of the curve. The curve has a characteristic "bell" shape and is symmetric about the y-axis.
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