[2024/05/09] Sum of n squares ( lemmy.world )
- Show that the sum of the first
n
squares isn(n+1)(2n+1)/6
. - I know this is often in the textbook for proof by induction, which is why proof by induction is not allowed.
This is a relatively hard one, take your time.
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/5a/84/5a84c670b9aaa8534320e107ca338337b1ce62f0b9d66f10845fd999fa3971fe.png)