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Jan
13
awarded  Popular Question
Dec
29
answered Complex numbers equation: $z^4 = -16$
Dec
27
revised How to solve an irrational equation?
edited body
Dec
27
revised How to solve an irrational equation?
edited body
Dec
27
asked How to solve an irrational equation?
Oct
8
revised Find the least and the greatest of this expression
added 228 characters in body
Oct
8
asked Find the least and the greatest of this expression
Sep
12
awarded  Yearling
Aug
9
revised How can I prove remainder side of this inequality?
added 184 characters in body
Aug
8
accepted How can I prove remainder side of this inequality?
Aug
8
revised How can I prove remainder side of this inequality?
edited body
Aug
8
asked How can I prove remainder side of this inequality?
Jul
28
answered How can I prove that modul of this vector bigger than radius of a circle?
Jul
20
revised Solve equations $\sqrt{t +9} - \sqrt{t} = 1$
deleted 1 character in body
Jul
20
answered Solve equations $\sqrt{t +9} - \sqrt{t} = 1$
Jul
20
revised How can I prove that modul of this vector bigger than radius of a circle?
added 150 characters in body
Jul
20
comment How can I prove that modul of this vector bigger than radius of a circle?
@MichaelBurr Yes. You are right.
Jul
20
asked How can I prove that modul of this vector bigger than radius of a circle?
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?