Mathematics
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markvs
  • Nashville, TN
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Professor of Mathematics

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25 Proof of Infinitude of Primes by Euler's Product Formula is Circular? Jul 5 '20
23 Does existence of a left or right inverse imply existence of inverses? Jul 9 '20
14 A sequence of quadratic equations Jun 9 '20
11 How to solve $\log_2(x)+\log_{10}(x-7)=3$ using high-school math? Jul 31 '20
10 If $a+\sqrt{a}=b+\sqrt{b}$ is $a=b$? Aug 21 '20
8 Given an integer $n$, is there a derangement of $n$ items such that repeating it $n!$ times will reach all possible permutations? Aug 14 '20
8 Finite group of even order has an element $g \neq e$ such that $g^ 2 = e$ Jun 17 '20
8 In a nonabelian finite group $G$, if a prime $p$ divides order of $|G|$, $p$ divides order of centralizer of some element which is not in the center Jun 29 '20
8 Finding $\frac{2a^5 - 5a^4 + 2a^3 - 8a^2}{a^2 + 1}$ Sep 16 '20
8 Prove that $G$ is commutative knowing that $G$ is a group. Sep 29 '20
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