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7h ago
Is $\tau(x,y)\leq\sqrt{n}d(x,y)$ where $d$ is the Euclidean metric, and $\tau$ the taxicab metric?
— Jong Gim
132
8h ago
Equation of a line passing through a point and forming a triangle with the axes
— Val Kalinic
1085
11h ago
If for every $x_n$ such that $x_n \rightarrow x$, there exists a $x_{n_k}$ such that $Tx_{n_k} = Tx$, is $T$ continuous?
— user79184
134
14h ago
Behaviour of $f$ in the neighbourhood of $c$ if $f'(c)= \cdots = f^{(n)}(c)=0$, and $f^{(n+1)}(c) \gt 0$
— mathmo
33
18h ago
prove that a non-abelian group of order $10$ must have a subgroup of order $5$.
— user79130
253
1d ago
initial value problem: y'' + 4y = f(t) , y(0)= y'(0)=0. f(t) = { 0 if t <3; t if t >3}
— Gina Kousalis
134
