Ben Anderson's user avatar
Ben Anderson's user avatar
Ben Anderson's user avatar
Ben Anderson
  • Member for 11 years, 4 months
  • Last seen more than 6 years ago
  • Tucson, AZ
11 votes
3 answers
28k views

Basic Linear Algebra Proof - Orthogonal Vectors

9 votes
3 answers
24k views

Proving that $C$ is a subset of $f^{-1}[f(C)]$

6 votes
3 answers
409 views

Archimedean Proof?

6 votes
2 answers
496 views

Finding the next term in a sequence.

5 votes
2 answers
432 views

Next Step in Mathematics Education

5 votes
1 answer
596 views

If $x>5$, then there exists a $y>0$ such that $x^2>25 + y$?

3 votes
1 answer
51 views

Beginning Proof Question concerning Functions

2 votes
2 answers
2k views

How to deal with translations, with change of coordinates for Quadratic Forms: $x^TAx=k$ ?

2 votes
1 answer
1k views

Using Archimedean Property to Prove the following

2 votes
1 answer
1k views

Behavior of Non-Hyperbolic Equilibria?

2 votes
3 answers
1k views

Divisibility Rule for 9

1 vote
1 answer
130 views

Modeling with Linear Differential Equations

1 vote
2 answers
4k views

Linear Transformations on Function Spaces

0 votes
1 answer
156 views

Help with Linear Transformations

0 votes
1 answer
60 views

Finding the pre-image $f^{-1}(T)$ for $T = [4, 9)$ and $f(x) = x^2$

0 votes
2 answers
395 views

Real Analysis Beginning Proof...

0 votes
2 answers
5k views

Product of Odd Functions