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Thomas Rasberry's user avatar
Thomas Rasberry's user avatar
Thomas Rasberry's user avatar
Thomas Rasberry
  • Member for 8 years, 9 months
  • Last seen more than 2 years ago
12 votes

Ternary representation of Cantor set

4 votes

What are left and right cosets and why are they important?

4 votes

Book to learn about Integration

3 votes

If $\langle{x,y}\rangle = \|{x}\|_{1}\|{y}\|_{\infty}$. Determine what relationship there is between $x$ and $y$.

2 votes

Showing that $(\forall x \in \mathbb{Z}_p \backslash \{ 0 \})$ $(\exists y \in \mathbb{Z}_p \backslash \{ 0 \})$ s.t. $xy \equiv 1 \ (\text{mod } p)$

2 votes

Question about $\tan^{-1}(\tan(x))$

1 vote

Books recommendation for combinatorics - From beginner to research

1 vote

Indefinite Integral -- Last step is a duzzy

1 vote

Why do we need to multiply the top and bottom of a compound fraction to solve it?

1 vote

Prove a function is one to one/injective and a correspondence/bijective

1 vote
Accepted

Introduction to Linear Algebra (Strang) Challenge Question

1 vote

Conditional probability using venn diagram?

1 vote
Accepted

AP Statistics practice test question: Why is a two-proportion z-test invalid?

1 vote

Showing that a sequence is unbounded

1 vote

Prove function is < 0

1 vote

Permutations: If $3\le m\le n$, Find $\sigma\tau^{-1}$ for the cycles $\sigma=(1\,2\,\ldots,m-1)$ and $\tau=(1\,2\,\ldots,m-1\,m)$

1 vote

An 'iff' property involving a measurable set $E$, an open set $Q$ and a closed set $F$

1 vote
Accepted

Given $(\Omega, \mathcal{F}, \mathbb{P})$, why does $\{\omega \in \Omega: X(\omega) \leq x\} \in \mathcal{F}$ imply $X$ is measurable?

1 vote
Accepted

Finding the inverse of an $N \times N$ matrix

1 vote

What does $\frac{k_{11}}{k_{21}}$ mean and what is its value?

1 vote
Accepted

Why curl of a vector field measures its tendency of rotation

1 vote

Prove that $(T,+,\cdot)$ is a vector space and find its dimension and one basis

1 vote

Show that $(p \wedge q) \to (p \vee q)$ is a tautology

0 votes

Proof for Convergence of complex series

0 votes

Find the area of the cone $z=\sqrt{2x^2+2y^2}$ inscribed in the sphere $x^2+y^2+z^2=12^2$.

0 votes

$y=3x^2$ AND $y=30-x$ To The Right Of x=1, About The Y-Axis. find the volume by shell method

0 votes

Maximal Ideals in polynomial quotient rings

0 votes

Getting the upper and lower quartiles in data with an even number of observations, or where the quartile lands on a decimal number

0 votes

Showing for any real number $\lfloor a\rfloor+1>a$

0 votes
Accepted

Discrete math logic / proof question