A curve given by the Cartesian equation
 |
(1)
|
It has area
 |
(2)
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The curvature is
![kappa(x)=(2b^2(3a^2-12ax+8x^2))/(sqrt(x)[4b^2(a-x)+(3a-4x)^2x]).](/images/equations/Pear-ShapedCurve/NumberedEquation3.svg) |
(3)
|
Pear-Shaped Curve
See also
Pear Curve, Piriform Curve, Teardrop CurveExplore with Wolfram|Alpha
References
MacTutor History of Mathematics Archive. "Pear-Shaped Cubic." http://www-groups.dcs.st-and.ac.uk/~history/Curves/Pearshaped.html.Cite this as:
Weisstein, Eric W. "Pear-Shaped Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Pear-ShapedCurve.html