List questions from problem-solving

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How to find the minimum area?

Published on 16 Jul 2018 - 22:31

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Problem Regarding Proof by Induction and/or Contradiction

Published on 25 Mar 2026 - 19:10

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3 hours ago the distance to 10 a.m is as twice as the distance to 1 hour. What time is it now?

Published on 19 Jul 2018 - 16:46

97

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Given that $f(x) :=x^6-6x^5+ax^4+bx^3+cx^2+dx+1$ has its roots as all positive, find $a,b,c,d$

Published on 20 Jul 2018 - 18:42

182

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Area bounded by $(\sqrt{|x|}+\sqrt{|y|})^{12}=xy$ , how to convert this to polar equation, what to do with absolute values?

Published on 21 Jul 2018 - 17:14

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If the sides of the Triangle are $a$, $b$ and $\sqrt{(a^2+ab+b^2)}$, then find the value of the greatest Angle.

Published on 25 Jul 2018 - 15:05

100

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calculating percentages from fraction confusion - business math problem

Published on 25 Mar 2026 - 12:54

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Any partition of $\{1,2,\ldots,100\}$ into seven subsets yields a subset with numbers $a,b,c,d$ such that $a+b=c+d$.

Published on 25 Mar 2026 - 10:34

144

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What does a geometric proof look like?

Published on 29 Jul 2018 - 4:04

148

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Perplexing Probability Problem

Published on 01 Aug 2018 - 3:03

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Toy Soldiers Array

Published on 03 Aug 2018 - 11:50

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How to solve $\left| \dfrac{dy}{dx}\right|+|y|=0$, $y(0)=1$?

Published on 09 Aug 2018 - 11:46

List Question

Probability of Die and Coin

Solving $x=2^y\cdot z$

Dynamic Programming problem palindrome

How to find the minimum area?

Problem Regarding Proof by Induction and/or Contradiction

3 hours ago the distance to 10 a.m is as twice as the distance to 1 hour. What time is it now?

Given that $f(x) :=x^6-6x^5+ax^4+bx^3+cx^2+dx+1$ has its roots as all positive, find $a,b,c,d$

Area bounded by $(\sqrt{|x|}+\sqrt{|y|})^{12}=xy$ , how to convert this to polar equation, what to do with absolute values?

If the sides of the Triangle are $a$, $b$ and $\sqrt{(a^2+ab+b^2)}$, then find the value of the greatest Angle.

calculating percentages from fraction confusion - business math problem

Any partition of $\{1,2,\ldots,100\}$ into seven subsets yields a subset with numbers $a,b,c,d$ such that $a+b=c+d$.

What does a geometric proof look like?

Perplexing Probability Problem

Toy Soldiers Array

How to solve $\left| \dfrac{dy}{dx}\right|+|y|=0$, $y(0)=1$?

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