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23070
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age 29
visits member for 3 years, 8 months
seen 4 hours ago

Almost all of the questions on the front page these days are homework questions or textbook exercises. I think I'll be spending a lot less time here.

I hereby authorize whoever it may concern to post my comments as answers if they wish, whether as community wiki or otherwise if you like imaginary internet points.


2d
reviewed Leave Open Second derivative of $f(f(\cdots f(x)\cdots )?$
Feb
11
reviewed Edit suggested edit on What does $[0,1]/\{1, \frac 12, \frac 13, … 0\}$ look like?
Feb
8
reviewed Close How can we make any integer m>11 using 3's and 5's only??
Feb
8
reviewed Close probability ans statistics expected value
Feb
8
reviewed Close How to show that the following function is a bijection?
Feb
8
reviewed Leave Open How would you prove that the graph of a linear equation is a straight line, and vice versa, at a “high school” level?
Dec
23
reviewed Approve suggested edit on discrete math question with function growth
Dec
23
reviewed Reject suggested edit on Discrete subgroups of SU(n) and SO(n).
Dec
10
reviewed Approve suggested edit on Probability of Bernoulli Trials.
Dec
10
reviewed Approve suggested edit on Prove that the $\lim_{x \rightarrow 0}\frac1x$ does not exist
Dec
10
reviewed Approve suggested edit on Ultraproducts by countably complete ultrafilter
Dec
10
reviewed No Action Needed How many outcomes of a coin being flipped 12 times have exactly 4 heads?
Dec
10
reviewed No Action Needed Why if the rank of matrix $M=\begin{pmatrix}2x&2y&0\\1&0&1\\ \end{pmatrix}$ is less than $2$,then $x=y=0$?
Dec
10
reviewed Close How to factor $x^3-x^2+x+3$
Dec
9
reviewed Leave Open Pattern of (1201, 2121, 3142, 4253, 5342)
Dec
9
reviewed Reject suggested edit on In plain English, why does conversion from hexadecimal to binary work so cleanly?
Dec
9
reviewed Approve suggested edit on I want to be able to write proof's for each of these but I don't know where to start.
Dec
9
reviewed Reject suggested edit on Linear algebra and combinatorics. For a family with even size sets and even intersections prove that $|F| \le 2^{n/2}$
Dec
9
reviewed Reject suggested edit on Find $x$ such that $\sqrt{x+\sqrt{x+7}}\in \mathbb{N}$
Dec
9
reviewed Reject suggested edit on A theorem about oscillation in Arnold's mathematical methods of classical mechanics