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visits member for 2 years, 11 months
seen Apr 11 at 13:14

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


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 the square root of i?
added 7 characters in body
Sep
13
revised what is the square root of i?
added 10 characters in body
Sep
13
answered what is the square root of 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 $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
Sep
6
revised Showing $2(n+5)^2 < n^3$
added 19 characters in body