Question

What value of $b$ makes the graph of $y^2 = x^3-x+b$ self-intersection?

score 94 · Answer 1 · 2026-04-15 18:18:41

94

Views

What value of $b$ makes the graph of $y^2 = x^3-x+b$ self-intersection?

Published on 15 Apr 2026 - 18:18

score 231 · Answer 2 · 2026-04-17 11:43:14

231

Views

BdMO 2021 problem: Find smallest $f(25)$ such that $f(m)+f(n)>\max(m^2,n^2)$ and $f(1)+f(2)+\cdots+f(30)$ is minimized

Published on 17 Apr 2026 - 11:43

score 58 · Answer 3 · 2026-04-13 20:29:59

58

Views

counting up to 100

Published on 13 Apr 2026 - 20:29

score 182 · Answer 4 · 2026-04-13 01:14:04

182

Views

Prove that the product of four consecutive natural numbers are not the square of an integer

Published on 13 Apr 2026 - 1:14

score 500 · Answer 5 · 2026-04-16 00:07:02

500

Views

How do I express 67, 69, 83, 84, 86, 87, 88, 93 with 2,0,2,2 only?

Published on 16 Apr 2026 - 0:07

score 124 · Answer 6 · 2026-04-15 23:27:28

124

Views

Tiling a room when (room and/or tile) dimensions are irrational

Published on 15 Apr 2026 - 23:27

score 64 · Answer 7 · 2026-04-14 01:11:36

64

Views

If $F$ is a CDF, under what conditions is $\ \lim_\limits{n\to\infty} n^{-2}\sum_\limits{k=-n}^{n}kF(k)=1/2\ ?$

Published on 14 Apr 2026 - 1:11

score 132 · Answer 8 · 2026-04-13 19:19:43

132

Views

Proving that a solid is a ball if all plane sections of it are circles

Published on 13 Apr 2026 - 19:19

score 90 · Answer 9 · 2026-05-05 18:54:02

90

Views

Are these the only "intersections" between the following series, and why all of them are multiples of $10$

Published on 05 May 2026 - 18:54

score 342 · Answer 10 · 2026-04-14 15:13:50

342

Views

An IMO training problem: Living in an overpopulated apartment

Published on 14 Apr 2026 - 15:13

score 331 · Answer 11 · 2026-04-17 09:23:37

331

Views

If we replace two numbers with their difference in the following situation, what will we end up with?

Published on 17 Apr 2026 - 9:23

score 106 · Answer 12 · 2026-05-06 04:12:43

106

Views

How can I approximate $t\to \sin(t)$ function for art purposes using computationally cheap alternatives?

Published on 06 May 2026 - 4:12

score 109 · Answer 13 · 2026-04-15 17:34:40

109

Views

Why $\sum _ {n = x}^{\infty} (-1)^n\left (n^{1/n} - 1 \right) $ gives so many repeating 0 s here?

Published on 15 Apr 2026 - 17:34

score 209 · Answer 14 · 2026-04-14 21:57:43

209

Views

Large gap Sparse Rulers

Published on 14 Apr 2026 - 21:57

score 42 · Answer 15 · 2026-04-14 07:47:43

42

Views

Times that respect clock-hand symmetry

Published on 14 Apr 2026 - 7:47

List Question

What value of $b$ makes the graph of $y^2 = x^3-x+b$ self-intersection?

BdMO 2021 problem: Find smallest $f(25)$ such that $f(m)+f(n)>\max(m^2,n^2)$ and $f(1)+f(2)+\cdots+f(30)$ is minimized

counting up to 100

Prove that the product of four consecutive natural numbers are not the square of an integer

How do I express 67, 69, 83, 84, 86, 87, 88, 93 with 2,0,2,2 only?

Tiling a room when (room and/or tile) dimensions are irrational

If $F$ is a CDF, under what conditions is $\ \lim_\limits{n\to\infty} n^{-2}\sum_\limits{k=-n}^{n}kF(k)=1/2\ ?$

Proving that a solid is a ball if all plane sections of it are circles

Are these the only "intersections" between the following series, and why all of them are multiples of $10$

An IMO training problem: Living in an overpopulated apartment

If we replace two numbers with their difference in the following situation, what will we end up with?

How can I approximate $t\to \sin(t)$ function for art purposes using computationally cheap alternatives?

Why $\sum _ {n = x}^{\infty} (-1)^n\left (n^{1/n} - 1 \right) $ gives so many repeating 0 s here?

Large gap Sparse Rulers

Times that respect clock-hand symmetry

Trending Questions

Popular # Hahtags

Popular Questions