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知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。

@turkeyhundt I don't like appealing to "common sense" results like this because it would lead one to believe that negative binomials (for example) aren't a thing due to the factorial function, and yet there …

2026年618台式机电脑DIY配置推荐（这篇文章每月都会更新，可以收藏） 618装机记得先领知乎官方红包~

$ (n+1)^3 - n^3 = 3n^2+3n+1$ - so it is clear that the $n^2$ terms can be added (with some lower-order terms attached) by adding the differences of cubes, giving a leading term in $n^3$. The factor 1/3 …

1080P/2K/4K分辨率，以RTX 5050为基准（25款主流游戏测试成绩取平均值） 数据来源于：TechPowerUp 桌面端显卡天梯图：

Binomial expansion of $ (1-x)^n$ Ask Question Asked 11 years, 6 months ago Modified 5 years, 1 month ago Viewed 250k times

2026年笔记本电脑CPU天梯图，笔记本电脑CPU排行，是按照CPU的跑分进行排序，进行综合性能对比。可以一定程度上反应CPU的性能优劣，方便进行笔记本电脑CPU对比。 2026年笔记本电脑的处理 …

Apr 25, 2013 · The examples given with base 10 and 2 in the question are positional bases. In a positional base 1, you only got one digit, with no value: 0. All positions will have zero value, and you …