Pencil Section

See also

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More things to try:

• aleph0
• cubic fit 20.9,23.2,26.2,26.4,16.3,-12.2,-60.6,-128.9
• lim (sin x - x)/x^3 as x->0

Cite this as:

Weisstein, Eric W. "Pencil Section." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PencilSection.html

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