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visits member for 3 years
seen Apr 11 at 13:14

an unemployed guy that thinks about suicide everyday.
Robert w. Hanks is not my real name.


2d
awarded  Necromancer
Dec
7
awarded  Nice Question
Oct
8
answered What the rest of the division $1^6+2^6+…+100^6$ by $7$?
Sep
29
accepted Infinitely many squares in a sequence.
Sep
29
comment Infinitely many squares in a sequence.
@ Don Larynx : thanks.
Sep
29
asked Infinitely many squares in a sequence.
Sep
15
awarded  Popular Question
Dec
6
accepted how to find the volume of this solid of revolution?
Dec
6
asked how to find the volume of this solid of revolution?
Aug
19
awarded  Yearling
Sep
29
comment Fastest prime generating algorithm
less complexity only means that given a large enough n one algorithm will perform better than the other, but that do not mean that for a small n as 10^9 that will always be the case.
Sep
22
comment Is it possible $n(n+1)(n+2)…(n+k)$ is a square?
ops my fact is wrong..sorry
Sep
22
comment Is it possible $n(n+1)(n+2)…(n+k)$ is a square?
cant you just use bertrand postulate an the fact that the largest prime less than n+k divides the product?
Sep
19
comment Prove that $2x^2 - 3xy + 2y^2 \geq 0$
Just compute the discriminant of $ax^2 + bx + c=0$ with $a=2,b=-3y,c=2y^2$
Sep
19
comment Prove that $2x^2 - 3xy + 2y^2 \geq 0$
You don't really need to factor anything, just compute the discriminant of $ax^2 + bx + c=0$ with $a=2,b=-3y,c=2y^2$
Sep
14
revised What is $\sqrt{i}$?
added 7 characters in body
Sep
13
revised What is $\sqrt{i}$?
added 10 characters in body
Sep
13
answered What is $\sqrt{i}$?
Sep
12
revised Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
deleted 13 characters in body
Sep
11
answered Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$