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New posts in algebra-precalculus
Mental $n-$th root of $N$
algebra-precalculus
arithmetic
roots
recreational-mathematics
An odd (potential) primality test
algebra-precalculus
geometry
prime-numbers
primality-test
Describe the locus in the complex plane of the zeros of a quartic polynomial as the constant term varies
algebra-precalculus
polynomials
roots
quartics
Given $n! = c$, how to find $n$?
algebra-precalculus
factorial
determining the maximum of a rational function
algebra-precalculus
How does $2^{12} \times 3^{12} \times 4^6 \times 8^4 \times 9^6 \times 27^4$ become $6^{36}$?
algebra-precalculus
Identity in Ramanujan style
algebra-precalculus
radicals
How to define the inverse of a vector?
calculus
algebra-precalculus
reference-request
vectors
physics
In which order do I graph transformations of functions?
algebra-precalculus
graphing-functions
Factorize : $P(x)=x^6+x^2+1$
algebra-precalculus
polynomials
factoring
Notation: What is the scope of a sum?
algebra-precalculus
notation
summation
If $a+b+c=1$, find the minimum of $\frac{4+3abc}{ab+bc+ac}$
algebra-precalculus
inequality
Reducibility of $x^{2n} + x^{2n-2} + \cdots + x^{2} + 1$
algebra-precalculus
polynomials
factoring
irreducible-polynomials
experimental-mathematics
How to expand $a^n + b^n$ for all positive exponents?
algebra-precalculus
Number of ways to arrange objects in a circle, some of which may be identical
combinatorics
algebra-precalculus
discrete-mathematics
necklace-and-bracelets
$\sum\limits_{i=1}^n \frac{x_i}{\sqrt[n]{x_i^n+(n^n-1)\prod \limits_{j=1}^nx_j}} \ge 1$, for all $x_i>0.$
algebra-precalculus
inequality
summation
contest-math
holder-inequality
Use Ramanujan’s method to denest $\sqrt[3]{7\sqrt[3]{20}-1}$ and $\sqrt[3]{7\sqrt[3]{20}-19}$
algebra-precalculus
elementary-number-theory
radicals
nested-radicals
What is a sufficient condition such that the graph of $f(\theta)$ in polar coordinates is symmetric relative to the $y$ axis?
algebra-precalculus
Is there formula to easily factorize $7+4 \sqrt{3}$ to $(2+ \sqrt{3} )^2$? [duplicate]
algebra-precalculus
proof-writing
radicals
nested-radicals
Integrate: $\frac{x^2+x-1}{x^2-1}$ with respect to $x$
calculus
integration
algebra-precalculus
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