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2h
comment How to find if 1/n will be recurring decimal expansion?
So, by "recurring", do you mean that every digit after the decimal point repeats?
2h
revised How to find if 1/n will be recurring decimal expansion?
added 7 characters in body
5h
revised N gunmen in a field
deleted 5 characters in body
5h
comment N gunmen in a field
Like this?${}{}{}{}$
5h
revised N gunmen in a field
added 916 characters in body
6h
revised Advanced calculus: Solving quaternion differential equations
typo introduced by edit?
6h
answered N gunmen in a field
19h
comment N gunmen in a field
I don't think your a) quite works. It's certainly not true that the gunman who's farthest away from any other doesn't get shot -- perhaps you have two gunmen a thousand miles apart, a million miles away from all the rest who are within a mile of each other.
1d
reviewed Looks OK What is a moving average system?
1d
revised What does Lang mean here by “the usual criterion”?
edited title
1d
revised Characteristic polynomial of A, if $\det(\operatorname{adj}(\operatorname{adj}(A))) = 81$?
added 9 characters in body
1d
revised why only square root approach to check number is prime
better TeX
1d
reviewed Reopen Find a triple integral using spherical coordinates.
1d
reviewed Leave Closed Is $T$ a compact mapping from $W_{0}^{1,2}\left(\Omega\right)$ into itself?
1d
reviewed Edit Locally boundedness of some L^p spaces.
1d
revised Locally boundedness of some L^p spaces.
added 2 characters in body
1d
reviewed Close Euler's formula for off-center circle
1d
reviewed Close Let X and Y be two random variables with joint probability density function
1d
reviewed Leave Open Find all functions such that $\int f(x)g(x) dx =\left(\int f(x) dx\right)\left(\int g(x) dx\right)$
1d
reviewed Close proving that $\lim_{n\to \infty}P(A_n)$ exists and $\lim_{n\to \infty}P(A_n) =P(\lim\sup A_n)$