Question

Finding $\sup$ and $\inf$ of $\{\frac{nk}{1+2n+3k} : n,k \in \Bbb{N}\}$

score 237 · Answer 1 · 2026-03-28 17:41:16

237

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Finding $\sup$ and $\inf$ of $\{\frac{nk}{1+2n+3k} : n,k \in \Bbb{N}\}$

Published on 28 Mar 2026 - 17:41

score 76 · Answer 2 · 2014-10-29 20:39:56

76

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Mathematical Induction Angles proof.

Published on 29 Oct 2014 - 20:39

score 972 · Answer 3 · 2014-10-29 22:15:20

972

Views

Proof of sum of binomials over upper index (induction)

Published on 29 Oct 2014 - 22:15

score 1k · Answer 4 · 2014-10-30 06:44:17

1k

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Puzzle: "Yes colour of my hat is white."

Published on 30 Oct 2014 - 6:44

score 52 · Answer 5 · 2014-10-30 12:07:28

52

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Questions about k elements subset of an n elements set.

Published on 30 Oct 2014 - 12:07

score 115 · Answer 6 · 2014-10-30 15:59:05

115

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Proof by induction that certain number is an integer

Published on 30 Oct 2014 - 15:59

score 4.9k · Answer 7 · 2026-04-01 11:37:16

4.9k

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Help proving $9^n-8n-1$ is divisible by $8$ for all $n > 1$ by induction

Published on 01 Apr 2026 - 11:37

score 1.6k · Answer 8 · 2026-03-27 15:14:10

1.6k

Views

Proof of the number of the leaves in a full binary tree

Published on 27 Mar 2026 - 15:14

score 2.4k · Answer 9 · 2014-10-31 15:06:57

2.4k

Views

Set of palindromes with induction

Published on 31 Oct 2014 - 15:06

score 719 · Answer 10 · 2026-03-27 15:10:51

719

Views

How to prove that at Complete Binary Tree (CBT) at height $h$ we have $2^h$ leaves

Published on 27 Mar 2026 - 15:10

score 569 · Answer 11 · 2026-04-04 19:09:37

569

Views

Proving a Recurrence Relation by induction

Published on 04 Apr 2026 - 19:09

score 276 · Answer 12 · 2026-04-02 20:08:06

276

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Induction in a first order system with ZF

Published on 02 Apr 2026 - 20:08

score 910 · Answer 13 · 2014-11-02 08:53:07

910

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After removing any part the rest can be split evenly. Consequences?

Published on 02 Nov 2014 - 8:53

score 72 · Answer 14 · 2014-11-02 13:30:22

How to prove using math induction that $\forall n\in \mathbb{N}$, $\sum ^{n}_{i=1}i^{2}=\frac{1}{6}n\left( n+1\right) \left(2n +1\right)$?

score 86 · Answer 15 · 2014-11-02 14:36:43

86

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How to prove that $\forall n\in \mathbb{N}$, $\sum ^{n}_{i=1}i^{3}=\frac {n^{2}(n+1)^{2}}{4}$?

Published on 02 Nov 2014 - 14:36

List Question

Finding $\sup$ and $\inf$ of $\{\frac{nk}{1+2n+3k} : n,k \in \Bbb{N}\}$

Mathematical Induction Angles proof.

Proof of sum of binomials over upper index (induction)

Puzzle: "Yes colour of my hat is white."

Questions about k elements subset of an n elements set.

Proof by induction that certain number is an integer

Help proving $9^n-8n-1$ is divisible by $8$ for all $n > 1$ by induction

Proof of the number of the leaves in a full binary tree

Set of palindromes with induction

How to prove that at Complete Binary Tree (CBT) at height $h$ we have $2^h$ leaves

Proving a Recurrence Relation by induction

Induction in a first order system with ZF

After removing any part the rest can be split evenly. Consequences?

How to prove using math induction that $\forall n\in \mathbb{N}$, $\sum ^{n}_{i=1}i^{2}=\frac{1}{6}n\left( n+1\right) \left(2n +1\right)$?

How to prove that $\forall n\in \mathbb{N}$, $\sum ^{n}_{i=1}i^{3}=\frac {n^{2}(n+1)^{2}}{4}$?

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