New posts in algebra-precalculus

Is “implies” the best symbol when rewriting equations?

If this is a telescoping series then how does it collapse? $\frac{3r+1}{r(r-1)(r+1)}$

Finding the vertex of an elliptic cone

Exponential model (Advent of code 2021 day 6)

Algorithm for computing square root of a perfect square integer?

Conditions for two straight lines to intersect: is this exam question wrong?

An elegant way to solve $\frac {\sqrt3 - 1}{\sin x} + \frac {\sqrt3 + 1}{\cos x} = 4\sqrt2 $

Approximately when will the hurricane make landfall?

How does polynomial long division work?

Equation of the bisector of the angle between two lines containing the given point

Proving $(x-c)|(p(x)-p(c))$

Prove that $2^n +1$ in never a perfect cube

Show that $\sqrt[7]{7!}<\sqrt[8]{8!}$ [duplicate]

General Principles of Solving Radical Equations

How many cows are there?

Finding the formula for the ulam spiral starting with $0$ as a bijective function $U:\mathbb{N}\rightarrow\mathbb{Z×Z}$

Solve $x^y \, = \, y^x$ [duplicate]

Proof that $n^3 + 3n^2 + 2n$ is a multiple of $3$.

The 'sine and cosine theorem' - formulas for the sum and difference

Combinatorial reasoning for the identity $\left ( \sum_{i=1}^n i \right )^2 = \left ( \sum_{i=1}^n i^3 \right ) $ [duplicate]