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Don't have much time these days...


Jul
19
revised inequality $(a+c)(a+b+c)<0$, prove $(b-c)^2>4a(a+b+c)$
edited tags
Jul
19
answered Proving that one of $a(1-b), b(1-c), c(1-a) \le \frac{1}{4}$
Jul
19
revised Proving that one of $a(1-b), b(1-c), c(1-a) \le \frac{1}{4}$
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Jul
19
revised Difficult Integral Involving the $\ln$ function
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Jul
19
comment Always null recurrence at the boundary between positive recurrence and transience?
Can you think of a better title?
Jul
19
answered Difficult Integral Involving the $\ln$ function
Jul
19
revised The amount of closed binary operations on A under these conditions are what?
tex
Jul
19
revised Partial sums of Pillai's function
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Jul
18
comment Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?
@V-Moy: I am flattered! Glad that my answers have been helpful. :-)
Jul
18
awarded  Great Answer
Jul
18
comment Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?
@V-Moy: Thank you for your kind comments! (and the badge :-))
Jul
18
revised if $x_{n+1}=ax_{n}+b$ then How find this $a,b,c$?
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Jul
18
revised The sum of $1^2+7^2+13^2+\cdots+n^2,$ where $ n =1 \mod6 $
added 1 character in body; edited tags
Jul
18
revised Combinations mod $n$ property
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Jul
18
revised Prime number upper bound
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Jul
18
revised Is there a positive integer base of numeration for which no equivalent of Benford's law holds?
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Jul
18
revised Perfect squares and modularly congruency in mod 5
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Jul
18
revised $k$-th number in $N \times M$ Table
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Jul
18
comment What is the integral of x/ln(x)?
See: en.wikipedia.org/wiki/Exponential_integral
Jul
18
revised $k$-th number in $N \times M$ Table
added 390 characters in body