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Dec
25
comment How do you find the value of $\sum_{r=1}^{\infty} \frac{6^r}{(3^r-2^r)(3^{r+1} - 2^{r+1})} $?
@ Ashiish Gupta: Do you know partial fraction?
Dec
5
awarded  Popular Question
Dec
4
comment Is there application of the set $\prod_{i\in\mathbb R}\mathbb R$?
No, I would like to consider the cartesian product of $\mathbb R$
Dec
4
revised Is there application of the set $\prod_{i\in\mathbb R}\mathbb R$?
added 18 characters in body
Dec
4
revised Is there application of the set $\prod_{i\in\mathbb R}\mathbb R$?
edited title
Dec
4
asked Is there application of the set $\prod_{i\in\mathbb R}\mathbb R$?
Dec
2
comment An example of totally ordered field with cardinality larger than continuum.
re Brian M. Scott: What if I also require it to be a set?
Dec
2
asked An example of totally ordered field with cardinality larger than continuum.
Dec
2
comment How to find $\int_0^{2\pi}\log(\alpha+\beta\cos(x))\mathrm{d}x$
After fixing an error, I now need to rethink what value of beta I should put in to find C.
Dec
2
revised How to find $\int_0^{2\pi}\log(\alpha+\beta\cos(x))\mathrm{d}x$
deleted 82 characters in body
Dec
2
revised How to find $\int_0^{2\pi}\log(\alpha+\beta\cos(x))\mathrm{d}x$
added 13 characters in body
Dec
2
answered How to find $\int_0^{2\pi}\log(\alpha+\beta\cos(x))\mathrm{d}x$
Dec
2
comment Totally ordered set with greater cardinality than the continuum
re tomasz: I find your post very interesting, but I have a problem, is $T$ a field?
Dec
1
comment Is $C[0,1]$ a manifold?
I strongly believe that it is NOT a topological manifold, but how to prove this?
Dec
1
comment Is $C[0,1]$ a manifold?
By manifold, I mean a topological manifold that is hausdorff and second countable.The chart map from an open neighbourhood of a points in $C[0,1]$ to a open n dimensional euclidean space. Is $C[0,1]$ a manifold? What is the dimension?
Nov
30
asked Is $C[0,1]$ a manifold?
Nov
30
comment Find specific 4 curves touching $y=\cos10x+\cos21x$.
Not really what I want, but any way, thanks for the approximation.
Nov
30
accepted Find specific 4 curves touching $y=\cos10x+\cos21x$.
Nov
30
accepted Is $C[0,1]$ larger than $\mathbb R$?
Nov
30
comment Is there restriction on the cardinailty of manifold?
A short paragraph explaining everything clearly, thank you.