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visits member for 2 years, 1 month
seen Oct 10 at 3:57

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