Barbier's Theorem

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More things to try:

• atriphtaloid
• asymptotes (2x^3 + 4x^2 - 9)/(3 - x^2)
• expand (x^2 + 1)(x^2 - 1)(x+1)^3

Cite this as:

Weisstein, Eric W. "Barbier's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BarbiersTheorem.html

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