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Vasting's user avatar
Vasting's user avatar
Vasting
  • Member for 8 years, 9 months
  • Last seen more than a week ago
16 votes

How to prove limit of measurable functions is measurable

4 votes
Accepted

When does the limit $\lim_{(x,y)\to(0,0)} \frac{x^ky^l}{x^{2p}+y^{2q}}$ exist?

3 votes
Accepted

Proving that $2+\sqrt{2}$ is irreducible in $\mathbb{Z}[\sqrt{2}]$.

3 votes

Tiling a rectangle with 2*1 tiles

3 votes
Accepted

Transforming this exponential function?

2 votes

Sum of a Geometric series Approximately 2? or exactly 2? (1+1/2+1/4+...)

2 votes
Accepted

max and min sine function and all intervals

2 votes

How can I show that the all of the roots of the polynomial $f = 2x^4-12x^2+2$ are real.

2 votes
Accepted

For which of the following values of $\theta$ is $tan(\theta)$ always greater than $cos(\theta)$?

2 votes

Show that there exists a continuous function $q$ such that $f(x) = q(x)(x-x_1)$

2 votes
Accepted

Find the orders of $M_3(\mathbb Z_2)$ and $GL_3(\mathbb Z_2)$

1 vote

Drawing a conclusion from equal determinants

1 vote

Galois group acting transitively on the set of roots

1 vote

Probability of a pick of balls

1 vote

Completion of a measure space using null sets

1 vote

Let $G=\{-1,1,i,-i\}$ be the fourth roots of unity. Prove $G$ is a group under multiplication and $G$ is isomorphic to $\Bbb{Z}_4$..

1 vote

Does the graph $y=\sin(x)\times\sin(x^{-2 })$ cross the $x$ axis an infinite amount of times in a finite interval?

0 votes
Accepted

Correct definition of scalar triple product

0 votes
Accepted

Cycle Notation for a Permutation Group