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Brahmagupta's identity

the product of two numbers of the form a 2 + n b 2 a^{2}+nb^{2} is a number of that form
Intangible theorem Q17005467
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Brahmagupta's identity

Summary

Brahmagupta's identity is a theorem[1]. It draws 10 Wikipedia views per month (theorem category, ranking #270 of 1,306).[2]

Key Facts

  • Brahmagupta's identity's instance of is recorded as theorem[3].
  • Brahmagupta is named after Brahmagupta's identity[4].
  • Brahmagupta's identity's Freebase ID is recorded as /m/0vpwqdg[5].
  • Brahmagupta's identity's MathWorld ID is recorded as BrahmaguptaIdentity[6].
  • Brahmagupta's identity's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • Brahmagupta's identity's Microsoft Academic ID is recorded as 2779188693[8].

Why It Matters

Brahmagupta's identity draws 10 Wikipedia views per month (theorem category, ranking #270 of 1,306).[2]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

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). Brahmagupta's identity. Retrieved May 3, 2026, from https://4ort.xyz/entity/brahmagupta-s-identity
MLA “Brahmagupta's identity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/brahmagupta-s-identity.
BibTeX @misc{4ortxyz_brahmagupta-s-identity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Brahmagupta's identity}}, year = {2026}, url = {https://4ort.xyz/entity/brahmagupta-s-identity}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Brahmagupta's identity — https://4ort.xyz/entity/brahmagupta-s-identity (retrieved 2026-05-03)

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