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Results tagged with summation
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user 1239761
Questions about evaluating summations, especially finite summations. For infinite series, please consider the (sequences-and-series) tag instead.
3
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0
answers
55
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On a step on a complex inequality with summation.
To make it short I have a doubt in the last step of a complex number inequality, the problem is the next one
Let complex numbers $z_1,z_2,z_3,...,z_n$ all modulus $1$ and $z_1+z_2+z_3+...+z_{2012}=0$ …
- 137
0
votes
1
answer
14
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On a strange step in the proof regarding a maximal problem.
As far as I'm concerned to show that something is true, proving that something is true for an example is never enough, you have to be able to prove that it is true for all statements/numbers with the …
- 137