Question

Permutation and combination

score 833 · Answer 1 · 2016-11-30 15:50:17

833

Views

Permutation and combination

Published on 30 Nov 2016 - 15:50

score 66 · Answer 2 · 2016-11-30 16:59:16

66

Views

What 4 values for n in $\frac{(n+1)^2}{n+23}$ gives integer values

Published on 30 Nov 2016 - 16:59

score 62 · Answer 3 · 2016-12-03 20:06:47

62

Views

What's an example of a highschool-level proving question based on a proof of the law of sines or the law of cosines?

Published on 03 Dec 2016 - 20:06

score 167 · Answer 4 · 2016-12-04 17:13:18

167

Views

How to obtain: $\lim_{x \to -\infty}\big(\sqrt{x^2+3x+2}+x-1\big)$?

Published on 04 Dec 2016 - 17:13

score 493 · Answer 5 · 2026-03-25 17:32:06

493

Views

Can I solve research problems with only BS in Mathematics or do I need PhD?

Published on 25 Mar 2026 - 17:32

score 105 · Answer 6 · 2016-12-05 13:01:05

105

Views

Approximation for fractional function

Published on 05 Dec 2016 - 13:01

score 40 · Answer 7 · 2016-12-05 14:35:07

40

Views

Non-explicit use of Weirestrass Extreme Value Theorem

Published on 05 Dec 2016 - 14:35

score 491 · Answer 8 · 2026-03-26 01:10:55

491

Views

Why this "Examples of common false beliefs in mathematics" is important in mathematics?

Published on 26 Mar 2026 - 1:10

score 2.3k · Answer 9 · 2016-12-05 20:28:20

2.3k

Views

Let W be the subspace of R3 spanned by the vector w = (2, -3, 1). Find the basis for W⊥ Describe W⊥ geometrically.

Published on 05 Dec 2016 - 20:28

score 246 · Answer 10 · 2016-12-06 21:45:28

246

Views

Prove that $A,B$ have a common eigenvector

Published on 06 Dec 2016 - 21:45

score 90 · Answer 11 · 2016-12-08 16:45:20

90

Views

What's the geometric mean for (0,1)?

Published on 08 Dec 2016 - 16:45

score 40 · Answer 12 · 2016-12-09 03:44:09

40

Views

Matrix representation for a solution

Published on 09 Dec 2016 - 3:44

score 143 · Answer 13 · 2016-12-09 09:21:00

143

Views

What are some examples of non standard limits

Published on 09 Dec 2016 - 9:21

score 182 · Answer 14 · 2026-03-25 22:10:36

182

Views

Why an understandable open problem In mathematics can not solvable?

Published on 25 Mar 2026 - 22:10

score 502 · Answer 15 · 2016-12-11 07:00:36

502

Views

Why is it wrong to consider the highest asymptotic point as an absolute maximum of the function?

Published on 11 Dec 2016 - 7:00

List Question

Permutation and combination

What 4 values for n in $\frac{(n+1)^2}{n+23}$ gives integer values

What's an example of a highschool-level proving question based on a proof of the law of sines or the law of cosines?

How to obtain: $\lim_{x \to -\infty}\big(\sqrt{x^2+3x+2}+x-1\big)$?

Can I solve research problems with only BS in Mathematics or do I need PhD?

Approximation for fractional function

Non-explicit use of Weirestrass Extreme Value Theorem

Why this "Examples of common false beliefs in mathematics" is important in mathematics?

Let W be the subspace of R3 spanned by the vector w = (2, -3, 1). Find the basis for W⊥ Describe W⊥ geometrically.

Prove that $A,B$ have a common eigenvector

What's the geometric mean for (0,1)?

Matrix representation for a solution

What are some examples of non standard limits

Why an understandable open problem In mathematics can not solvable?

Why is it wrong to consider the highest asymptotic point as an absolute maximum of the function?

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