Mathematics
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manooooh
  • Member for 5 years, 10 months
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  • Buenos Aires, Argentina
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All Questions Answers
Score Newest
question
12
How many elements have to verify the associativity property in a group?
Jul 23, 2018
question
6
For a function defined by parts study continuity, and differentiability at two points
Jan 3, 2019
question
5
Prove that $f(x,y)$ is derivable for all direction in $(0,0)$ but it is not differentiable at $(0,0)$
May 25, 2019
question
5
Do I have something wrong when solving $y'+2y=6$?
Jan 15, 2019
question
4
If $A\in\Bbb R^{3\times3}$ is an invertible matrix such that $A^2=A$, then $\det(2A)=8$
Apr 13, 2019
question
4
Find the volume of water of depth $x$ of a conical tank
Mar 30, 2019
question
3
Prove that $x\mathcal{R}y\iff x^2-y^2=2(y-x)$ is an equivalence relation
Jun 18, 2019
question
3
True or false: if $R,S\subseteq A\times A$ then $\operatorname{dom}(R\cap S)=\operatorname{dom}(R)\cap\operatorname{dom}(S)$
Jul 29, 2019
question
3
Solve $z^3-3z^2+3z+7=0$ and sketch solution set
Oct 1, 2019
answer
3
What does "$A \leq B : \Longleftrightarrow A \subseteq B$ is an order relation of $\mathcal{P}(N)$" mean?
Nov 6, 2020
Top network posts
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14
Change the color of a single dot in `ddot` symbol
14
How to force children in a tree to go in the right direction?
13
What is the purpose of : in math mode?
12
Fill area of x^2+y^2>1 and x^2+y^2>4 using patterns and tikzpicture
9
How to create an ER diagram using tikzpicture environment

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