List questions from solution-verification

Published on 31 Dec 2014 - 2:20

62

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Computing the difference between two fractions with positive integral variables

Published on 31 Dec 2014 - 13:06

404

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Generators of $H^1(T)$

Published on 01 Jan 2015 - 2:13

64

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Parametrizing Surfaces

Published on 02 Jan 2015 - 1:34

42

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Mass of Hemisphere

Published on 02 Jan 2015 - 3:01

12.8k

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How to prove if something is a function?

Published on 02 Jan 2015 - 10:18

85

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Probability of a random point $(U_1,U_2, \cdots, U_n)$ with $U_j \sim \operatorname{Unif}(-1,1)$ being in unit sphere in $\mathbb{R}^n$

Published on 02 Jan 2015 - 15:56

88

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Prove by definition of a limit

Published on 29 Mar 2026 - 2:46

820

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$\sqrt{6}-\sqrt{2}-\sqrt{3}$ is irrational

Published on 25 Mar 2026 - 17:36

416

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Given two relations on a set, I want to see if one is reflexive/transitive/symmetric, and find some relation compositions.

Published on 08 Oct 2019 - 17:08

460

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Adjoining Elements: The field $F(S)$

Published on 13 Oct 2019 - 20:23

94

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Proof that the sum of two subspaces of $\mathbb{R}^n$ spans the entire $\mathbb{R}^n$. Is this a valid proof?

Published on 17 Oct 2019 - 15:36

69

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Limit Question: I have completed this problem by myself, but I want to confirm that I did the problem correctly

Published on 17 Oct 2019 - 22:52

82

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Proof verification upper bound on the Mondrian Art Problem

Published on 23 Mar 2026 - 1:46

193

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Gradation of the quotient module

Published on 25 Mar 2026 - 9:24

List Question

Find the sets $A \cup B $, $B^c$, and $(A\cap B)^c$ where $A,B,C$ are given intervals

Computing the difference between two fractions with positive integral variables

Generators of $H^1(T)$

Parametrizing Surfaces

Mass of Hemisphere

How to prove if something is a function?

Probability of a random point $(U_1,U_2, \cdots, U_n)$ with $U_j \sim \operatorname{Unif}(-1,1)$ being in unit sphere in $\mathbb{R}^n$

Prove by definition of a limit

$\sqrt{6}-\sqrt{2}-\sqrt{3}$ is irrational

Given two relations on a set, I want to see if one is reflexive/transitive/symmetric, and find some relation compositions.

Adjoining Elements: The field $F(S)$

Proof that the sum of two subspaces of $\mathbb{R}^n$ spans the entire $\mathbb{R}^n$. Is this a valid proof?

Limit Question: I have completed this problem by myself, but I want to confirm that I did the problem correctly

Proof verification upper bound on the Mondrian Art Problem

Gradation of the quotient module

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