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Mathematics
Joãonani's user avatar
Joãonani's user avatar
Joãonani's user avatar
Joãonani
  • Member for 5 years, 10 months
  • Last seen more than 1 year ago
  • Portugal
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question
6
How can I prove that $p(x)=x^4+x+1$ doesn't have real roots?
Aug 11, 2020
question
5
$X \subset \mathbb{R}^n$ bounded $\implies f(X)$ is Bounded
Aug 25, 2019
question
5
Hausdorff and compact space
Jun 24, 2019
question
4
An example about Lindelöf spaces
Oct 19, 2021
question
4
If $A^3 = I_n$, then $\operatorname{tr}(A)\in\Bbb Z$
Jun 30, 2020
question
4
proof that there is $c \in [a,b]$ such that $f(c) = g(c)$
Mar 3, 2019
question
4
Theorem related with mean value Integral for integrals
Mar 14, 2019
question
4
How $\operatorname{cl}(A) \cap \operatorname{cl}(B) = \operatorname{cl}(A \cap B) \implies$ $X$ is the discrete space?
Apr 15, 2019
question
3
$G \to G'$ is a functor from $\text{Grp}$ to $\text{Grp}$
May 22, 2020
question
3
Is there a polynomial $p$ such that $x^n$ divides $1+x-p^2$??
May 26, 2020