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1d
awarded  Nice Question
1d
awarded  Caucus
Dec
11
asked Can this simple divisibility property on binomial coefficient be proved without Gauss' lemma?
Dec
11
answered A sequence of roots of polynomials depending on an integer parameter
Dec
11
comment A sequence of roots of polynomials depending on an integer parameter
The limit is indeed $\frac{1}{3}$ but your answer is not very rigorous.
Dec
9
comment Asymptotic development of a recurrent sequence
I wonder if this method can be iterated to yield abitrary deep asymptotic expansions.
Dec
9
revised Condition on vector-valued function
added 1 character in body
Dec
8
comment Diophantine equation with bounded variables
I suppose $\lambda$ is a positive integer ?
Dec
8
revised How to prove that $A^2$ is a symmetric matrix
added 18 characters in body
Dec
1
answered Proving $3x^{3}+4y^{3}+5z^{3}\equiv 0 (3^{m})$ has nontrivial integer solutions $\forall$ $m\in\mathbb{N}$
Nov
27
revised Isomorphism problem for two radical extensions of the same degree
added 42 characters in body
Nov
26
comment Real roots of a polynomial of real co-efficients , with the co-efficients of $x^2 , x$ and the constant term all $1$
@TonyK corrected, thanks.
Nov
26
revised Real roots of a polynomial of real co-efficients , with the co-efficients of $x^2 , x$ and the constant term all $1$
deleted 6 characters in body
Nov
26
answered $\forall\ x,y,z\in \mathbb{R}$ Show that: $|x+y|+|y+z|+|x+z|\leq |x+y+z|+|x|+|y|+|z|$
Nov
26
answered Are there functions that satisfy $f(km)\bmod m=f(m)$ that are not of the form $m\mapsto n\bmod m$?
Nov
26
awarded  Enlightened
Nov
26
awarded  Nice Answer
Nov
26
awarded  Revival
Nov
25
answered Properties of the extension $\mathbb Q(\sqrt{a\sqrt{D}})$
Nov
24
asked Isomorphism problem for two radical extensions of the same degree