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Marden's theorem

Geometric relationship between the zeros of a cubic polynomial and of its derivative
Intangible Theorem Q1568612

Facts

5 properties
Instance of
theorem
Part of
list of theorems[3]
Maintained by WikiProject
WikiProject Mathematics[6]
Named after
Morris Marden[2]
Statement describes
cubic function, triangle[4][5]
🏷️ Also known as
en Marden's theorem ar مبرهنة ماردن de Satz von Marden es teorema de Marden fr théorème de Marden ja Mardenの定理 ja マーデンの定理 ko 마든 정리 nl Stelling van Marden ru Теорема Мардена tr Marden teoremi
🔖 Identifiers · 2
Freebase ID
/m/043k0dg
Microsoft Academic ID (discontinued)
2780887885

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Statement describes 2
triangle, cubic function
Instance of 1
theorem
Maintained by WikiProject 1
WikiProject Mathematics
Part of 1
list of theorems
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Summary

Marden's theorem is a theorem[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Marden's theorem. Retrieved November 12, 2026, from https://4ort.xyz/entity/marden-s-theorem
MLA “Marden's theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/marden-s-theorem.
BibTeX @misc{4ortxyz_marden-s-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Marden's theorem}}, year = {2026}, url = {https://4ort.xyz/entity/marden-s-theorem}, note = {Accessed: 2026-11-12}}
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