B
beardyw
Article URL: Tidy - Futility Closet
Comments URL: A visual proof that a^2 – b^2 = (a + b)(a – b) | Hacker News
Points: 408
# Comments: 150
Continue reading...
Comments URL: A visual proof that a^2 – b^2 = (a + b)(a – b) | Hacker News
Points: 408
# Comments: 150
Continue reading...