I posted this problem a long time ago but no response. This time I think it would be appropriate.
viewtopic.php?f=15&t=79
Re-post of a problem
One one thing is neutral in the universe, that is $0$.
Re: Re-post of a problem
You can always bump a topic!
Please read Forum Guide and Rules before you post.
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
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nafistiham
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Re: Re-post of a problem
sorry for my ignorance.but, what is bumping ?
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Re: Re-post of a problem
There is a "Bump topic" option in the end of every topic you started. When someone bumps a topic, it appears in the new posts area.
Please read Forum Guide and Rules before you post.
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
Re: Re-post of a problem
But that would be a post in APMO forum, right? Or here? I wanted this post here.
One one thing is neutral in the universe, that is $0$.
Re: Re-post of a problem
Yes that's of course true 
Please read Forum Guide and Rules before you post.
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi