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4h
comment Prime Number Algorithm
as Ofir Schnabel said, think why you dont need to check if 10 for example does not have any factors greater than 3? or 100 does not have any factors greater than 10?
4h
comment Are primes randomly distributed?
Good points. Can you expand on "since Prime numbers are factual things that are always going to be in the same numerical location no matter what number system you use, that they can not be random" please, Is there any related theorem or conjuncture or result related to this statement?
1d
comment Integral calculation question
Learn MathJax !
2d
comment What is your favorite application of the Pigeonhole Principle?
@DanielV: not assuming, estimating. i think maximum number of hair possible on a human body is even less than number of people in new York.
Jul
28
comment Does the Law of Sines and the Law of Cosines apply to all triangles?
@Sourisse : yes you are absolutely right, so I'll mention it :) That it holds Only for triangles in Euclidean geometry. They are not always true for triangles on the surface of sphere for example.
Jul
20
awarded  Autobiographer
Jul
16
accepted Ternary equivalence relations that are not equivalent to some binary equivalance
Jul
16
comment Ternary equivalence relations that are not equivalent to some binary equivalance
Thank you @AndréNicolas, yes, either and both. at this stage I take either. Is there a theorem that expresses whether any n-ary relation can be decomposed into n-1 ary relations? or how ? Then I will chase that one instead of this question
Jul
16
asked Ternary equivalence relations that are not equivalent to some binary equivalance
Jul
11
awarded  Famous Question
Jul
3
comment Why are some branches of mathematics called 'theory' and others not?
Why the down vote? It is a good question. +1
Jul
3
revised Integral of rational function with a squared term in the denominator
added 1 character in body; edited title
Jun
5
accepted what is the parametric form for “mystery curve”?
Jun
5
comment what is the parametric form for “mystery curve”?
@A.P. : Thank you, I am going to need some time to comprehend what you are saying.
Jun
5
comment what is the parametric form for “mystery curve”?
@A.P. : I seriously cant see how this is same as parametric form without opening it up using Euler's identity. This formula doesn't explain the periodicity of the curve. If indeed it has a periodicity at all.
Jun
5
comment what is the parametric form for “mystery curve”?
@A.P. : sorry I am a bit rusty, did polar form come in form of $r=f(\theta$)? If yes then I think it is a bit messier than this (imho)
Jun
5
asked what is the parametric form for “mystery curve”?
May
31
revised proof of $-\ln\left(2\sin\left(\frac x2\right)\right)=\sum_{k=1}^\infty \frac {\cos(kx)}{k}$?
edited title
May
28
accepted n points can be equidistant from each other only in dimensions $\ge n-1$?
May
28
asked n points can be equidistant from each other only in dimensions $\ge n-1$?