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visits member for 1 year, 7 months
seen Apr 15 at 12:36

Nov
27
accepted What, if anything, does it mean to be neither finite nor infinite for real numbers?
Oct
20
accepted Tallest bubble tower induction proof
Aug
12
accepted How do I know what to substitute to simplify a limit?
Aug
9
accepted What is another, perhaps quicker and nicer way of solving this question?
Jul
22
accepted How would you interpret this question focusing on problem solving?
Jul
8
accepted Finding points of intersection between a line and a curve
Apr
10
accepted How can I determine the values of a third point to make all 3 collinear in $\mathbb{R}^3$
Apr
7
accepted What does it mean to be proportional to something?
Apr
6
accepted Find all values of $a$ such that $w = ai- \frac{a}{3}j$ is a unit vector
Apr
6
accepted Solve binomial expression with a variable under a square root?
Mar
12
accepted How might one go about proving this poorly worded theorem about divisibility with the number 3?
Mar
1
accepted Is this a correct proof for this relation?
Feb
27
accepted Can we have a matrix whose elements are other matrices as well as other things similar to sets?
Feb
26
accepted Is the relation on the positive integers defined by $(x,y) \in R$ if $x = y^2$ only antisymmetric?
Feb
23
accepted Does there exist any elements which I can add to a Relation such that the Relation remains Sym/Anti, Trans, and Reflexive?
Feb
19
accepted Prove that $f(n) = n^2 - 1$ is not injective and not surjective. Am I doing it right?
Feb
5
accepted How does one select some $i$ to prove $\exists i$ s.t. $s_i \leq A$ where $A$ is the average of real numbers $(s_1 + s_2 + . . . + s_n) / n$
Feb
5
accepted Advice? homework: $\forall x,y \in \mathbb{R}, x \in \mathbb{Q} \land y \notin \mathbb{Q} \implies (x + y) \notin \mathbb{Q}$
Jan
26
accepted How would one prove that $\sqrt{n}$ is the largest divisor that needs to be checked to determine if $n$ is prime?
Jan
25
accepted If I am checking for $s$ divides $n$ on the interval $S = [3, n-x]$, how large can I make $x$ to ensure I have verified $n$ is prime?