Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
chisquared
9 months ago
|
parent
|
context
|
favorite
| on:
A visual proof that a^2 – b^2 = (a + b)(a – b)
There’s no need for this extension:
https://news.ycombinator.com/item?id=42425681
jacobolus
9 months ago
[–]
Well the whole point here is that we're doing geometry. If you just want to do symbol twiddling you don't need the picture at all.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
