List questions from problem-solving

Published on 05 Jun 2016 - 16:40

206

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How do you deduce the integer whose multiplicative inverse decimal has a digit sequence or repetend length of 3 digits?

Published on 06 Apr 2026 - 9:54

139

Views

Please help me solve this $x(\sqrt{2x+5}+\sqrt[3]{7x+13}) = 3x+6$

Published on 07 Jun 2016 - 13:40

23

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How to find the seeding number for acheiving the minimum cost?

Published on 07 Jun 2016 - 13:44

92

Views

Simplifying $(m^3)^4(2x^3)^7(m^2)^5(3x)^2$

Published on 07 Jun 2016 - 21:04

134

Views

Topology: What is a quick way to check whether a subset $D$ is dense in $(X, \mathcal{T})$?

Published on 09 Jun 2016 - 14:16

224

Views

Let $f$ be a differentiable function defined for all real $x$, where $f(x)\ge 0$ for all $x\in[0,a]$

Published on 09 Jun 2016 - 21:49

414

Views

What is the size of the angle $\angle AMC$?

Published on 10 Jun 2016 - 2:30

202

Views

Polynomial taking irrationals to irrationals

Published on 04 Apr 2026 - 10:12

1.3k

Views

Homeomorphism from $S^1\setminus(0,1)$ to $\mathbb{R}$

Published on 10 Jun 2016 - 17:47

96

Views

Find the solution without "common sense" assumption

Published on 12 Jun 2016 - 4:21

2.4k

Views

How to find the area shared by 4 quadrants inside a square?

Published on 14 Jun 2016 - 6:21

90

Views

number theory problem finding triplets

Published on 15 Jun 2016 - 11:38

151

Views

proving no real roots exist

Published on 15 Jun 2016 - 12:29

130

Views

find the number of tuples of positive integers

Published on 15 Jun 2016 - 13:14

List Question

Two people running up and down escalators

How do you deduce the integer whose multiplicative inverse decimal has a digit sequence or repetend length of 3 digits?

Please help me solve this $x(\sqrt{2x+5}+\sqrt[3]{7x+13}) = 3x+6$

How to find the seeding number for acheiving the minimum cost?

Simplifying $(m^3)^4(2x^3)^7(m^2)^5(3x)^2$

Topology: What is a quick way to check whether a subset $D$ is dense in $(X, \mathcal{T})$?

Let $f$ be a differentiable function defined for all real $x$, where $f(x)\ge 0$ for all $x\in[0,a]$

What is the size of the angle $\angle AMC$?

Polynomial taking irrationals to irrationals

Homeomorphism from $S^1\setminus(0,1)$ to $\mathbb{R}$

Find the solution without "common sense" assumption

How to find the area shared by 4 quadrants inside a square?

number theory problem finding triplets

proving no real roots exist

find the number of tuples of positive integers

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