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1,569
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Edit questions and answers
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Jul
23
revised Is rank$(AQB)=$rank$(AB)$ if $Q$ is non-singular?
added 1 character in body
Jul
23
accepted Is rank$(AQB)=$rank$(AB)$ if $Q$ is non-singular?
Jul
23
comment Is rank$(AQB)=$rank$(AB)$ if $Q$ is non-singular?
thank you. that cleared my doubt.
Jul
23
asked Is rank$(AQB)=$rank$(AB)$ if $Q$ is non-singular?
Jul
22
answered What is the unit digit in $(3547)^{153} \cdot (251)^{72}$
Jul
13
revised How shall I get an estimate of $\int_{1-\frac{c}{log t}-iT}^{1-\frac{c}{log t}+iT}\frac{\zeta(s-1)}{\zeta(s)}\frac{x^s}{s}ds$?
added 9 characters in body
Jul
13
asked How shall I get an estimate of $\int_{1-\frac{c}{log t}-iT}^{1-\frac{c}{log t}+iT}\frac{\zeta(s-1)}{\zeta(s)}\frac{x^s}{s}ds$?
Jul
10
accepted How shall I calculate $\sum\limits_{d\nmid n}\mu(d)$
Jul
10
comment How shall I calculate $\sum\limits_{d\nmid n}\mu(d)$
:-D thats pretty nice.
Jul
10
comment How shall I calculate $\sum\limits_{d\nmid n}\mu(d)$
That part I figured out earlier brother. But the thing that is bothering me is to search for the closed formula
Jul
10
asked How shall I calculate $\sum\limits_{d\nmid n}\mu(d)$
Jul
5
awarded  Peer Pressure
Jul
1
comment Characteristic polynomial of A, if $\det(\operatorname{adj}(\operatorname{adj}(A))) = 81$?
So the discussion says that such characteristic polynomial may be not unique
Jun
30
revised If $A$ is a $3\times3$ Matrics Then $\left |(2A)^{-1} \right |=?$
deleted 5 characters in body
Jun
30
comment If $A$ is a $3\times3$ Matrics Then $\left |(2A)^{-1} \right |=?$
I am extremely sorry for this. Didn't notice the fact. Editing in a while
Jun
30
answered If $A$ is a $3\times3$ Matrics Then $\left |(2A)^{-1} \right |=?$
Jun
26
revised Structure of the unit group $(\mathbb{Z}[i]/8\mathbb{Z}[i])^\times$
\right)^\times$
Jun
26
suggested approved edit on Structure of the unit group $(\mathbb{Z}[i]/8\mathbb{Z}[i])^\times$
Jun
25
comment How to write $n!=a^{\alpha_0}(a+1)^{\alpha_1}(a+2)^{\alpha_2}\cdots(a+r)^{\alpha_r}$?
Its done now. Please let me know if there is any more mistake
Jun
25
revised How to write $n!=a^{\alpha_0}(a+1)^{\alpha_1}(a+2)^{\alpha_2}\cdots(a+r)^{\alpha_r}$?
added 1 character in body