Greg Ross personal blog
A visual proof that a^2 – b^2 = (a + b)(a – b)
A visual proof that a2 – b2 = (a + b)(a – b). Sophie Germain wrote, “It has been said that algebra is but written geometry and geometry is but diagrammatic algebra.”
- Points
- 731
- HN comments
- 192
- Submissions
- 1
- Cited by
- 0 commenters
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Dec 15, 2024 | A visual proof that a^2 – b^2 = (a + b)(a – b) by beardyw | 731 | 192 |