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visits member for 3 years
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Oct
19
suggested rejected edit on The limit as $x$ goes to infinity of $x-x\cos(4/x).$
Oct
16
revised Integrate $\csc(x)^3dx $
fixed math
Oct
16
suggested approved edit on Integrate $\csc(x)^3dx $
Sep
30
awarded  Explainer
Sep
14
revised How do I simplify this expression $\exp(xy)-1=\ln\left((x^2+y^2)^{1/2}\right)$
improved math
Sep
14
suggested approved edit on How do I simplify this expression $\exp(xy)-1=\ln\left((x^2+y^2)^{1/2}\right)$
Sep
14
comment Does the following integral converge: $\int_6^{\infty}\frac{dx}{\sqrt{1+x^2}}$
Why won't you just evaluate it?
Sep
13
comment Analysis of the function $y=x^{\frac{1}{x}}$
@ClaudeLeibovici I plotted $\Im x^{1/x}$ in Mathematica, it's not zero for $(-1,0)$.
Sep
13
comment Analysis of the function $y=x^{\frac{1}{x}}$
It's complex valued for $x\le0$.
Sep
13
suggested rejected edit on How to work out $-1 \bmod 7$?
Sep
7
comment Recurrence relation of the following sequence?
It's simply only the $a_n = \lceil\frac{n}{2}\rceil$. Why even-odd?
Sep
6
revised Prove that a function is in “Big-O”
improved formatting
Sep
6
suggested approved edit on Prove that a function is in “Big-O”
Sep
6
revised Standardizing *any* random variable.
some improvements
Sep
6
suggested approved edit on Standardizing *any* random variable.
Sep
4
revised Arrangement of the words **SUCCESS** in which the consonants appear in alphabetic order
added formatting
Sep
4
suggested approved edit on Arrangement of the words **SUCCESS** in which the consonants appear in alphabetic order
Sep
2
revised Ad-hoc proof of convergence of $\sum_{n=0}^\infty \sin(\pi\sqrt{n^2+a^2})$
fixed smth
Sep
2
suggested approved edit on Ad-hoc proof of convergence of $\sum_{n=0}^\infty \sin(\pi\sqrt{n^2+a^2})$
Sep
1
revised calculate value of $2^{3^{4^{5}}}/e^{10240}$
added zero