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Mathematics
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Another User
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I am a Mathematics teacher at a University.

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26
Proving a polynomial to be positive for all real values
Jun 18, 2023
21
Shouldn't two different expressions for a general antiderivative be equal?
Jan 21, 2023
9
Proving $\lim\limits_{(x, y) \rightarrow (0, 0)} \dfrac{x^4 - y^4}{x^3 - y^3} = 0$
Jun 13
9
Show that if $x^2+x+1=0$, then $x^{26}+\dfrac{1}{x^{26}}=-1$
Sep 7, 2023
9
Proof that a recursively defined sequence is divergent
Aug 17, 2023
7
On the notion of a holomorphic function
Mar 19, 2023
5
Show that any nonzero free $F[x]$-module $V$ is an infinite dimensional vector space over $F$.
May 1, 2023
5
How can I prove if it's a metric on $\mathbb{R}$?
Nov 19, 2023
5
Prove that $12^{\text{th}}$ derivative of $f(x)$ at $x$=$0$ equals to $0$.
Jul 3, 2023
5
How to prove that $\frac{3n^2-5}{7n^3+2n+1}$ converges?
Feb 6, 2023