List questions from alternative-proof

Published on 25 Mar 2026 - 21:53

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A combinatorial proof of Wilson's Theorem

Published on 22 Dec 2014 - 5:27

232

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Prove $(x+r_1) \cdots (x+r_n) \geq (x+(r_1 \cdots r_n)^{1/n})^{n}$.

Published on 29 Mar 2026 - 19:51

4.6k

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Show that $[2x]+[2y] \geq [x]+[y]+[x+y]$

Published on 29 Mar 2026 - 8:18

99

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Check proof that operator in unbounded please

Published on 28 Dec 2014 - 19:01

224

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Largest rectangle bounded under a function

Published on 26 Mar 2026 - 6:17

79

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How to prove that some number is the minimum steps required to prove a certain logical statement?

Published on 02 Oct 2019 - 11:15

1.3k

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Show that the set of all cubic polynomials is a vector space

Published on 03 Oct 2019 - 4:58

151

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A property of Nesbitt's inequality

Published on 05 Oct 2019 - 11:45

216

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I made an inequality to solve myself, but someone pointed out my solution is wrong.

Published on 27 Mar 2026 - 16:03

768

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Finding the maximum area of a quadrilateral when three points are given

Published on 07 Oct 2019 - 9:27

388

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Proving Dominated Convergence Theorem by Vitali Convergence Theorem.

Published on 07 Oct 2019 - 18:01

375

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How to find the number of roots of the equation $4\cos(e^x)=2^x+2^{-x}$?

Published on 10 Oct 2019 - 6:45

499

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Prove that $\int \binom{n}{k}p^k(1−p)^{n−k}\,dp$ from $0$ to $1$ is $\frac{1}{n+1}$

Published on 10 Oct 2019 - 15:55

39

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How to begin this existence proof?

Published on 12 Oct 2019 - 17:49

List Question

Point in a rectangle

A combinatorial proof of Wilson's Theorem

Prove $(x+r_1) \cdots (x+r_n) \geq (x+(r_1 \cdots r_n)^{1/n})^{n}$.

Show that $[2x]+[2y] \geq [x]+[y]+[x+y]$

Check proof that operator in unbounded please

Largest rectangle bounded under a function

How to prove that some number is the minimum steps required to prove a certain logical statement?

Show that the set of all cubic polynomials is a vector space

A property of Nesbitt's inequality

I made an inequality to solve myself, but someone pointed out my solution is wrong.

Finding the maximum area of a quadrilateral when three points are given

Proving Dominated Convergence Theorem by Vitali Convergence Theorem.

How to find the number of roots of the equation $4\cos(e^x)=2^x+2^{-x}$?

Prove that $\int \binom{n}{k}p^k(1−p)^{n−k}\,dp$ from $0$ to $1$ is $\frac{1}{n+1}$

How to begin this existence proof?

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