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visits member for 2 years, 6 months
seen Aug 1 at 17:28

Oct
11
awarded  Popular Question
Sep
5
awarded  Nice Question
Jul
2
awarded  Curious
Feb
19
accepted How to solve equations like $x^2+y^2=2004^{2005}$?
Feb
19
comment How to solve equations like $x^2+y^2=2004^{2005}$?
How did you find the "simple" solution? thanks a lot!
Feb
19
revised How to solve equations like $x^2+y^2=2004^{2005}$?
added 39 characters in body
Feb
19
comment How to solve equations like $x^2+y^2=2004^{2005}$?
and to solve $x^2+y^2=2005^{2004}$?
Feb
19
asked How to solve equations like $x^2+y^2=2004^{2005}$?
Feb
18
accepted Factoring the quintic polynomial $x^5+4x^3+x^2+4=0$
Feb
18
comment Factoring the quintic polynomial $x^5+4x^3+x^2+4=0$
Great! How did you know it? :)
Feb
18
asked Factoring the quintic polynomial $x^5+4x^3+x^2+4=0$
Feb
17
comment Factoring quartic equation
but how do you know that u=+- (2+i)?
Feb
17
comment Factoring quartic equation
Well, that's not that easy taking square roots if you don't know exponential representation :)
Feb
17
accepted Weird doubt about complex roots of second grade equation
Feb
17
accepted Factoring quartic equation
Feb
17
asked Factoring quartic equation
Feb
17
comment Weird doubt about complex roots of second grade equation
I think yes. and so? We are talking about root properties.
Feb
17
comment Weird doubt about complex roots of second grade equation
Sorry, I haven't understood. $$\sqrt{i}=\sqrt{\sqrt{-1}}=\sqrt[4]{-1}$$. What's wrong?
Feb
17
asked Weird doubt about complex roots of second grade equation
Oct
1
awarded  Popular Question