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Jun
30
revised A negative third derivative implies a positive first derivative at a point.
added 47 characters in body
Jun
17
revised For any closed set $A$ of $\mathbb R$ , does there exists a function $f:\mathbb R \to \mathbb R$ such that, $f$ is discontinuous exactly on $A$?
deleted 258 characters in body
Jun
9
revised Using second derivative to find a bound for the first derivative
deleted 26 characters in body
Jun
9
revised Evaluate $\lim \limits_{n\to \infty }\sin^2 (\pi \sqrt{(n!)^2-(n!)})$
deleted 83 characters in body
Jun
9
revised Evaluate $\lim \limits_{n\to \infty }\sin^2 (\pi \sqrt{(n!)^2-(n!)})$
added 6 characters in body
Jun
7
revised Proving the inequality $2^{-1+\frac{1}{n}}\left(x+1\right)\leq\left(x^{n}+1\right)^{\frac{1}{n}}$ for $n\in\mathbb{N} $ and $x>0$
edited body
May
25
revised Limit of $\frac{f\left(x+g\left(x\right)\right)-f\left(g\left(x\right)\right)}{x}$ as $x\to 0$
edited title
May
25
revised Limit of $\frac{f\left(x+g\left(x\right)\right)-f\left(g\left(x\right)\right)}{x}$ as $x\to 0$
added 6 characters in body
Apr
23
revised Fixed point of a differentiable function on a closed interval
added 1 character in body; added 2 characters in body
Mar
16
revised Generalized Bernoulli's inequality of the form $\frac{1}{1-\sum_{i=1}^nx_i}\geq\prod_{i=1}^n(1+x_i)$
added 472 characters in body
Nov
25
revised Proving that if $a_n\in\mathbb{Z}$ for all $n$ then it's limit is also in $\mathbb{Z}$?
added 224 characters in body
Nov
7
revised Proving a set of functions from $\mathbb{N}$ to $\{1,0\}$ is countable
added 300 characters in body
Nov
6
revised Proving a set of functions from $\mathbb{N}$ to $\{1,0\}$ is countable
added 417 characters in body
Nov
4
revised proving a simple function is bijective
expanded the question to what it was originally supposed to be
Nov
2
revised In field ($F, +, \cdot$) , how can I prove $x^2 =1\implies x=1,-1$
added 236 characters in body