Question

Mathematical induction: $9$ divides $n^3 + (n+1)^3 + (n+2)^3$

score 588 · Answer 1 · 2026-04-15 17:37:56

588

Views

Mathematical induction: $9$ divides $n^3 + (n+1)^3 + (n+2)^3$

Published on 15 Apr 2026 - 17:37

score 64 · Answer 2 · 2026-04-11 08:18:03

64

Views

Proof by induction. how can I solve?

Published on 11 Apr 2026 - 8:18

score 829 · Answer 3 · 2026-04-12 02:35:24

829

Views

Union-closed families of sets (A problem about induction)

Published on 12 Apr 2026 - 2:35

score 102 · Answer 4 · 2026-04-15 03:40:43

102

Views

How many comparisons does it take to find a number in a grid of numbers arranged in an $N \times N$ square

Published on 15 Apr 2026 - 3:40

score 4.5k · Answer 5 · 2026-04-10 22:36:28

4.5k

Views

Proof by induction of the Inequality of Harmonic numbers: $H_{2^n} \ge 1+ \frac n2$

Published on 10 Apr 2026 - 22:36

score 4.8k · Answer 6 · 2026-04-11 02:45:05

4.8k

Views

Explaining why proof by induction works

Published on 11 Apr 2026 - 2:45

score 3.3k · Answer 7 · 2026-04-13 09:38:17

3.3k

Views

Proof By Induction $n^2 > 3n$ where $n\ge 4$

Published on 13 Apr 2026 - 9:38

score 199 · Answer 8 · 2026-04-17 10:18:49

199

Views

Prove that for all positive integers $n$, $2^1+2^2+2^3+...+2^n=2^{n+1}-2$

Published on 17 Apr 2026 - 10:18

score 238 · Answer 9 · 2026-04-18 06:51:15

238

Views

Prove $\sum\limits_{i=2}^{n}\frac{1}{(i-1)i}$ = $\frac{(n-1)}{n}$ using induction.

Published on 18 Apr 2026 - 6:51

score 114 · Answer 10 · 2026-04-12 00:11:16

114

Views

Mathematical Induction on a Subset of the Natural Numbers

Published on 12 Apr 2026 - 0:11

score 292 · Answer 11 · 2026-04-15 16:38:49

292

Views

Proving $2n-8<n^2-8n+14$ for all $n\geq 7$ by induction

Published on 15 Apr 2026 - 16:38

score 136 · Answer 12 · 2026-04-13 11:42:12

136

Views

Proof By Induction $2^n \ge n^2$ for $n\ge4$

Published on 13 Apr 2026 - 11:42

score 1k · Answer 13 · 2026-04-10 21:23:30

1k

Views

Proof of Newton Girard formula symmetric polynomials

Published on 10 Apr 2026 - 21:23

score 592 · Answer 14 · 2026-04-13 08:17:23

592

Views

Proving by induction that $n^2 - 7n - 2$ is divisible by $2$

Published on 13 Apr 2026 - 8:17

score 106 · Answer 15 · 2026-04-16 14:37:59

106

Views

Use Induction to Show $(1+a)^n \ge 1 + na$

Published on 16 Apr 2026 - 14:37

List Question

Mathematical induction: $9$ divides $n^3 + (n+1)^3 + (n+2)^3$

Proof by induction. how can I solve?

Union-closed families of sets (A problem about induction)

How many comparisons does it take to find a number in a grid of numbers arranged in an $N \times N$ square

Proof by induction of the Inequality of Harmonic numbers: $H_{2^n} \ge 1+ \frac n2$

Explaining why proof by induction works

Proof By Induction $n^2 > 3n$ where $n\ge 4$

Prove that for all positive integers $n$, $2^1+2^2+2^3+...+2^n=2^{n+1}-2$

Prove $\sum\limits_{i=2}^{n}\frac{1}{(i-1)i}$ = $\frac{(n-1)}{n}$ using induction.

Mathematical Induction on a Subset of the Natural Numbers

Proving $2n-8<n^2-8n+14$ for all $n\geq 7$ by induction

Proof By Induction $2^n \ge n^2$ for $n\ge4$

Proof of Newton Girard formula symmetric polynomials

Proving by induction that $n^2 - 7n - 2$ is divisible by $2$

Use Induction to Show $(1+a)^n \ge 1 + na$

Trending Questions

Popular # Hahtags

Popular Questions