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Apr
6
revised Finding the maximum of $f(x,y,z)=x^ay^bz^c$ where $x,y,z\in [0,\infty)$ and $x^k+y^k+z^k=1$
edited body
Apr
6
revised Is $\mathbb{R}\times\{0,1\}$ a manifold?
added 1 character in body
Apr
2
revised Finding the maximum of $f(x,y,z)=x^ay^bz^c$ where $x,y,z\in [0,\infty)$ and $x^k+y^k+z^k=1$
added 12 characters in body
Mar
28
revised Finding the inverse of $f(x,y)=(e^{x}\cos(y),e^{x}\sin(y))$ around a neighborhood.
Some additional thoughts
Nov
28
revised Proving differentiability on every interval equals proving differentiability on all of $\mathbb{R}$?
edited tags
Oct
29
revised Show that if $E\subseteq F$ is a subfield and $f,g\in E[x]$ then $\gcd(f,g)$ (relative to $F$) is in $E$
added 300 characters in body
Oct
23
revised Integrating $\frac{\ln{ax}}{x\ln{bx}}$
added 20 characters in body
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