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Aug
1
revised Solving $L= \frac{a^2}{2a^2+bc}+\frac{b^2}{2b^2+ac}+\frac{c^2}{2c^2+ab}$ priveded $a+b+c=0$
improved?
Aug
1
revised $f(x) = x^2 + 1$ maps $\mathbb R$ onto $[1, \infty)$
improved?
Jul
31
revised Intersections and unions of families of closed subsets of $\mathbb{R}$
improved?
Jul
31
revised Find $2\det ( \frac{1}{2} A )$ given that $A$ is $3\times 3$ and $\det(A)= -2$
improvedÉ
Jul
31
revised Lower bound of an inductively defined sequence
tried to fix
Jul
31
revised Running time and standard deviation of Marsaglia and Bray's Polar Method
improved?
Jul
31
comment Question regarding infinite subsets of R and accumulation points
This question appears to be off-topic because it contains multiple questions together.
Jul
31
revised Finding unknown in log equation
edited tags
Jul
31
revised The domain of $f(x)=\sqrt{\frac{1-\cos(x)}{1+\cos(x)}}$
added non-homework tags; retitled
Jul
31
revised Solve the equation $x^x=10^9$.
edited tags
Jul
31
revised Proving $f(x) = x^2 + 1$ is surjective
improved
Jul
31
revised Shortest distance between parallel line and plane
edited tags
Jul
31
revised If $A\subseteq B$, $B\subseteq C$, and $C\subseteq A$, then $A=B=C$
fixed
Jul
31
revised Only one normal can pass through the focus of the parabola $x^2=4ay$
fixed
Jul
31
revised Simplifying $(1/x-1/5 )/( 1/x^2-1/25)$
deleted 7 characters in body; edited tags; edited title
Jul
31
revised $A \cdot B = A \cdot C$ does not imply that $B = C$
fixed
Jul
31
revised NFA for $L = \{ w \in \{a,b,c\}^* : \text{at least one symbol appears only once in }w \}$
fixed
Jul
31
revised Solving $2^{-x} = \frac{1}{3}\cdot \sqrt{x} +1$
Fixed
Jul
31
revised Solving $F(x) = 0.3$ where $F(x) = 1-\frac{200^{ 2.5 }}{ x^{2.5}}$
fixed
Jul
31
revised Faster method for partial fractions
formatting improvement; retagged