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2h
accepted n points can be equidistant from each other only in dimensions $\ge n-1$?
11h
asked n points can be equidistant from each other only in dimensions $\ge n-1$?
2d
comment Example of a convergent series for which integral test fails?
@K.Dutta : so in theory at least the integral test is the ultimate test.
2d
comment Example of a convergent series for which integral test fails?
@John : so why use the other tests when integral test is enough?
2d
asked Example of a convergent series for which integral test fails?
May
25
revised Can Zorn's Lemma be 'inverted' like this:?
edited title
May
23
awarded  Nice Question
May
19
answered Can there be a sequence which is not convergent but has accumulation points?
Apr
27
comment Average distance between 2 points on surface of sphere?
@achillehui : just a curiosity , is there a generalisation that generalises geodesic distance to n dimensions?
Apr
27
comment Average distance between 2 points on surface of sphere?
@CameronWilliams : How can I generalise that to spheres of n dimesion? That is the motivation for asking this question.
Apr
27
asked Average distance between 2 points on surface of sphere?
Apr
20
revised A trigonometric proof of an inequality
inequation is a concept that is not been invented yet at the early part of 21st century
Apr
19
accepted How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily?
Apr
19
comment How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily?
@PrasunBiswas : that specific result or a more general form that makes that as a specific value?
Apr
19
comment How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily?
@PrasunBiswas : yes I agree nothing can be that general, is there even a taxonomy of identies or the their generating families exist?
Apr
19
comment How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily?
@PrasunBiswas : holy hell, what generates identities like that?
Apr
19
revised Limit $\lim_{x→0} x^{x^x}$
edited title
Apr
19
asked How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily?
Apr
18
comment Does every integer occur finitely many times and in what positions in Pascal's triangle?
@Archaick thank you
Apr
18
asked Does every integer occur finitely many times and in what positions in Pascal's triangle?