Nov
17
revised Factorize $999999$ into a product of irreducibles in $\mathbb{Z}[i]$ (clarification)
latex
Nov
16
revised Can a function that satisfies the condition $f''(x) = a \cos f(x) $ and $(f'(x))^2 = b \sin f(x)$ be found?
latex, tags for equations
Nov
16
reviewed Approve How to evaluate the integral $\int e^{x^3}dx $
Nov
16
comment Show that no linear polynomial divides $x^k + x^{k-1} + \cdots + 1$ with $k\ge 2$ even
$x^3+x^2+x+1=(x+1)(x^2+1)$
Nov
16
revised Show that no linear polynomial divides $x^k + x^{k-1} + \cdots + 1$ with $k\ge 2$ even
typo
Nov
16
answered Show that $A\cap B\subseteq A$ and $A\subseteq A\cup B$
Nov
16
revised Show that $A\cap B\subseteq A$ and $A\subseteq A\cup B$
latex
Nov
14
reviewed Reject Concavity of function $F(x)=x^{1/5}(x+6)$
Nov
6
answered How are the elementary arithmetics defined?
Nov
4
reviewed Approve The set of all philosophers is a camel
Nov
4
reviewed Reject Minimum Distance between two curves, points, and point and curve
Nov
4
reviewed Edit Vector calculus minimization
Nov
4
revised Vector calculus minimization
introducing $$ to latex
Nov
4
reviewed Approve Find the conditions for the cubic polynomial to always be increasing
Nov
4
answered Min/Max Problem
Oct
31
reviewed Approve How does a complex exponential turn into the sinc function?
Oct
30
reviewed Reject {$e_1, e_2, e_3, e_4$} be a standard basis in $R^4$. Does there exist a set of vectors $x_1, x_2, x_3$ such that
Oct
30
reviewed Edit Proportion questions related fourth proportions
Oct
30
revised Proportion questions related fourth proportions
Tried to clarify what the problem was asking,
Oct
30
reviewed Approve using the elimination rule in natural deduction