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New posts in algebra-precalculus
Inequalities help: $(a^3+b^3)^2\leq (a^2+b^2)(a^4+b^4)$
real-analysis
algebra-precalculus
inequality
a.m.-g.m.-inequality
cauchy-schwarz-inequality
Solve $\begin{cases}x^2+y^4=20\\x^4+y^2=20\end{cases}$
algebra-precalculus
systems-of-equations
How to calculate percentile? Is it possible to get 100 percentile?
statistics
algebra-precalculus
What does the small number on top of the square root symbol mean?
algebra-precalculus
notation
Why do remainders show cyclic pattern?
algebra-precalculus
modular-arithmetic
arithmetic
How to factor $a^n - b^n$?
algebra-precalculus
How to scale numbers from one range to another range?
algebra-precalculus
discrete-mathematics
Find an explicit expression for the general term of a recurrence relation
algebra-precalculus
V = I x R -- Voltage (V) as a function of Resistance (R) is Linear; however, Current (I) as a function of Resistance is not Linear -- why?
algebra-precalculus
physics
Five Porismatic Equations.
algebra-precalculus
trigonometry
contest-math
Trying to solve $\frac{f(x) f(y) - f(xy)}{3} = x + y + 2$ for $f(x)$
algebra-precalculus
functions
functional-equations
Division by imaginary number
algebra-precalculus
Riddle with Pi = 3
algebra-precalculus
fake-proofs
Intuition and derivation of the geometric mean
algebra-precalculus
Mathematical induction proof problem: $\sum_{i=1}^{n-1} i(i+1) = \frac{n(n+1)(n-1)}3$
algebra-precalculus
discrete-mathematics
proof-verification
summation
induction
Given $\frac{\log x}{b-c}=\frac{\log y}{c-a}=\frac{\log z}{a-b}$ show that $x^{b+c-a}\cdot y^{c+a-b}\cdot z^{a+b-c} = 1$
algebra-precalculus
logarithms
How to solve for 3 variables with 2 equations? [closed]
algebra-precalculus
systems-of-equations
Simplify a combinatorial sum [duplicate]
combinatorics
algebra-precalculus
summation
binomial-coefficients
Problem involving many squares and several variables.
algebra-precalculus
Solving for the implicit function $f\left(f(x)y+\frac{x}{y}\right)=xyf\left(x^2+y^2\right)$ and $f(1)=1$
algebra-precalculus
functional-equations
contest-math
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