Mathematics
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mr_e_man
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All Questions Answers
Score Newest
answer
26
Find the length and width of rectangle when you are given the area
Apr 23, 2018
question
20
Generalize exterior algebra: vectors are nilcube instead of nilsquare
Dec 15, 2018
question
20
Can a "generalized field" with three operations be infinite? [duplicate]
Aug 16, 2020
answer
14
Simple quadratic function, but can't understand the question
Mar 23
answer
13
If the coefficients of a quadratic equation are odd numbers, show that it cannot have rational roots
Jul 9, 2020
question
13
Are the unconditionally convergent series, with terms in a Banach algebra, closed under the Cauchy product?
Nov 27, 2019
question
11
If a real number can be expressed in terms of complex solutions of cubic equations, can it be expressed in terms of real solutions of cubic equations?
Sep 7, 2020
question
11
Does iterating the complex function $z\mapsto\frac{2\sqrt z}{1+z}$ always converge?
Jul 15, 2020
question
11
Can a norm on polynomials be supermultiplicative?
Apr 12
question
10
Given a field $\mathbb F$, is there a smallest field $\mathbb G\supseteq\mathbb F$ where every element in $\mathbb G$ has an $n$th root for all $n$?
Aug 19, 2020

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