MathQA

If a string $S$ can't itself be broken down into into repeating strings, then how can we prove that the no. of friends of $S$ is equals to its length?

Published on 18 Oct 2016 - 3:09

the connection between unform convergence and a sequence of positive real converging to zero

Published on 30 Mar 2026 - 5:13

find values of a and b for the absolute valued function $f : x \to |x-a| + b$

Published on 30 Mar 2026 - 5:13

Can two equal solutions of an ODE have L.I. tangents?

Published on 30 Mar 2026 - 5:13

How to say about the following result about hilbert spaces?

Published on 30 Mar 2026 - 5:13

Prove the following fibonacci sequence

Published on 12 Oct 2016 - 18:31

A Joint density problem with constraints.

Published on 11 Oct 2016 - 12:43

how can I a calculate the force of attraction between hemispere and a mass

Published on 11 Oct 2016 - 8:10

Let $X$ be a topological space such that for any subset $S$, the closure $\bar{S}=\bigcap_{U\supset S} U$ over $U$ opens. Is $X$ normal?

Published on 30 Mar 2026 - 5:13

Inequality Problem $\forall A , B,N>0\exists C>0:Cn^4\geq An^3 + Bn^2 + N$

Published on 07 Oct 2016 - 14:46

Why is the setof points where a function f defined on a metric is continuous is the intersection of countable number of open sets?

Published on 02 Oct 2016 - 13:53

Counter example for $f( \cap_{E \in \epsilon} E) \supseteq \cap_{E \in \epsilon} f(E)$

Published on 30 Sep 2016 - 3:42

How to find the maximum peak of $\phi$ on $[0,l]$.

Published on 29 Sep 2016 - 4:53

Inequality with variable on the integral limits (incomplete gammas)

Published on 01 Apr 2026 - 21:19

A text question revolving about distances, velocities with modest amount of given information

Published on 30 Mar 2026 - 6:47