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Feb
7
answered Proof based on definition of big-$O$
Feb
6
answered Simplify triangular sum of triangular numbers: $\sum_{i=1}^{n}(\frac12i(i+1))$
Feb
1
revised $z = 1/w$ transformation for parallel lines $y = x + b$
edited the title
Feb
1
suggested approved edit on $z = 1/w$ transformation for parallel lines $y = x + b$
Jan
31
revised Example of operator with spectrum equal to $\mathbb{C}$?
edited the title
Jan
31
suggested approved edit on Example of operator with spectrum equal to $\mathbb{C}$?
Jan
27
suggested rejected edit on Prove inequality for tail of normal distribution
Jan
27
revised Evaluate $\displaystyle \sum_{n=1}^{\infty }\int_{0}^{\frac{1}{n}}\frac{\sqrt{x}}{1+x^{2}}\mathrm{d}x.$
edited the title and blanks after commas.
Jan
27
suggested approved edit on Evaluate $\displaystyle \sum_{n=1}^{\infty }\int_{0}^{\frac{1}{n}}\frac{\sqrt{x}}{1+x^{2}}\mathrm{d}x.$
Jan
27
comment Series Expansion Relationship
Observe that $S(z)-zS(z)=1-z^n.$.
Jan
25
revised How can I solve this integral for a MGF?
deleted 5 characters in body
Jan
25
answered How can I solve this integral for a MGF?
Jan
25
revised How can I solve this integral for a MGF?
corrected spelling and misprints.
Jan
25
suggested approved edit on How can I solve this integral for a MGF?
Jan
24
awarded  Autobiographer
Jan
16
awarded  Revival
Jan
14
revised Why is $\lim_\limits{x\to 0}\frac{\sin(6x)}{\sin(2x)} = \frac{6}{2}=3$?
added 9 characters in body
Jan
14
revised Why is $\lim_\limits{x\to 0}\frac{\sin(6x)}{\sin(2x)} = \frac{6}{2}=3$?
added 16 characters in body
Jan
14
answered Why is $\lim_\limits{x\to 0}\frac{\sin(6x)}{\sin(2x)} = \frac{6}{2}=3$?
Jan
11
answered Convergence of $\sum\limits_{n=1}^{\infty}\frac{\cos{nx}}{n^p}$