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  • 0 posts edited
  • 0 helpful flags
  • 56 votes cast
May
17
revised How can I prove inequality?
added 86 characters in body
May
15
comment Vertices that create a convex quadrilateral
Can I count with stars and bars method?
May
14
accepted How to select four points so that origin is not contained in convex hull of these points?
May
14
revised How to select four points so that origin is not contained in convex hull of these points?
added 264 characters in body
May
14
comment How can I prove inequality?
There are close(4). Why?
May
14
asked How can I prove inequality?
May
10
asked How to select four points so that origin is not contained in convex hull of these points?
May
9
awarded  Tumbleweed
May
7
revised How to solve this nonstandard system of equations?
added 1051 characters in body
May
7
revised How to solve this nonstandard system of equations?
added 36 characters in body
May
7
revised How to solve this nonstandard system of equations?
added 5 characters in body
May
7
answered How to solve this nonstandard system of equations?
May
7
awarded  Inquisitive
May
6
asked How to solve this nonstandard system of equations?
May
3
answered Solve this equation: $7x^3+11x^2+6x+2=(x+2)\sqrt[3]{x^3+3x^2+5x+1}$
May
2
revised How many isosceles trapezes can one choose of four vertices of a regular 12 - gon?
added 16 characters in body
May
2
asked How many isosceles trapezes can one choose of four vertices of a regular 12 - gon?
Dec
9
awarded  Caucus
Dec
8
accepted How to solve this system of equations?
Dec
8
accepted How can I solve the system of equations?