New posts in Real Numbers

Why cant $a_n$ be zero in a polynomial function?

Recursive sequence, $x_{1} \geq 0, x_{n+1}=\sqrt{x_{n}+2}$

Definition of a bounded, nonempty subset of real numbers.

real number and decimal expansions

What is the best way to denote a set of solutions in a professional setting?

Two "different" definitions of $\sqrt{2}$

Axiom to prove $ \sqrt2 $ is irrational by contradiction.

Are there more rectangles than squares?

Estimate $n$ such that $\log(n^C)<n$

Why does a polynomial with real, simple roots change its sign between its roots?