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6h
comment Symmetric functions and roots of polynomials
I remember doing something of this sort in my first year UG, using $a+b+c+d = -(-1/2), ab+bc+..+ac=0, abc=-1$ in this case!
1d
comment Convergence: infinite series
$n\ge$ some integer? And tried comparison test for infinite series?
1d
suggested rejected edit on Convergence: infinite series
1d
revised Can somebody please help me with this cumulative distribution function?
(someone should translate question to English)
1d
revised Show that the solution of the Cauchy problem $x(t,t_0,x_0)$, $x(t_0)=x_0$ is definite for all $t\geq t_0$.
definite to defined?? Also, remove last line?
1d
suggested approved edit on Show that the solution of the Cauchy problem $x(t,t_0,x_0)$, $x(t_0)=x_0$ is definite for all $t\geq t_0$.
1d
revised Completing compact surfaces with boundary to closed surfaces in $\mathbb R^3$
is, in and if mixed up and looks like edit was made after question was answered
1d
revised A bizarre property
fixed latex
1d
suggested approved edit on Completing compact surfaces with boundary to closed surfaces in $\mathbb R^3$
1d
suggested approved edit on Can somebody please help me with this cumulative distribution function?
1d
suggested approved edit on A bizarre property
2d
comment Which of these are true? And why?
@bluescreenofdeath, can you please tell us what you have tried so far? Else the negative votes are going to bring your question a bsod!
2d
reviewed Reviewed pos of matrix is close
2d
reviewed Reviewed Expansion of gamma function
2d
reviewed Reviewed Percentages as a combination of simple percentages
2d
comment Percentages as a combination of simple percentages
Can you clarify your question? It does not make much sense! If it is a part of another question, please quote your original question here!
2d
reviewed Reviewed Set Theory and $1 = 0.999\dots$
2d
awarded  Informed
2d
revised Coordinate Geometry Help (circles + trigonometry)
MathJaX fix
2d
reviewed Reviewed Coordinate Geometry Help (circles + trigonometry)