What does $QAQ^{-1}$ actually mean? - Mathematics Stack …
Apr 28, 2020 · I'm self-learning Linear Algebra and have been trying to take a geometric approach to understand what matrices mean visually. I've noticed this matrix product pop up repeatedly …
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abstract algebra - Prove that 1+1=2 - Mathematics Stack Exchange
Jan 15, 2013 · Possible Duplicate: How do I convince someone that $1+1=2$ may not necessarily be true? I once read that some mathematicians provided a very length proof of $1+1=2$. Can …
summation - Sum of 1 + 1/2 - Mathematics Stack Exchange
How do I calculate this sum in terms of 'n'? I know this is a harmonic progression, but I can't find how to calculate the summation of it. Also, is it an expansion of any mathematical function? 1 ...
Double induction example: $ 1 + q + q^2 - Mathematics Stack …
I'm working on a double induction problem with the following prompt: Prove by induction on n n that for any real number q> 1 q> 1 and integer n ≥ 0 n ≥ 0:
Series expansion: $\frac {1} { (1-x)^n}$ - Mathematics Stack …
Dec 2, 2024 · What is the expansion for $(1-x)^{-n}$? Could find only the expansion upto the power of $-3$. Is there some general formula?
游戏评测的 1% 最低帧（1% Low FPS）是什么意思？ - 知乎
2、最高性能 电脑性能冗余越大，1%就越接近平均帧。 通常来说，体验派的3A大作比如赛博朋克2077、荒野大镖客2，1%LOW在50以上时，就能带来不错的游戏体验。 而偏向PVP或者竞技 …
what is 1 - 1/2 + 1/3 - 1/4 + 1/5 - 1/6 + 1/7 - 1/8 +1/9
Nov 28, 2019 · Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and …
How can 1+1=3 be possible? - Mathematics Stack Exchange
Feb 3, 2021 · So that's the "proof". The failure is at step 5, where you say that pq = pr p q = p r implies that q = r q = r; that's true only if you know p p is nonzero. For instance 0 ⋅ 5 = 0 ⋅ 7 0 ⋅ …
如何看待2025江苏国补在6月1日突然暂停下线？ - 知乎
如何看待2025江苏国补在6月1日突然暂停下线？ 在618活动刚开始时暂停线上国补是什么原因？ 后续何时还会再次开启？ [图片] 显示全部 关注者 1,347