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New posts in algebra-precalculus
How does one DERIVE the formula for the maximum of two numbers [duplicate]
algebra-precalculus
absolute-value
Showing that $\lceil (\sqrt{3} + 1)^{2n} \rceil$ is divisible by $2^{n+1}$.
algebra-precalculus
binomial-coefficients
What are $x$, $y$ and $z$ if $\frac{x}{y + z} + \frac{y}{x + z} + \frac{z}{x + y} = 4$ and $x$, $y$ and $z$ are whole numbers?
algebra-precalculus
diophantine-equations
recreational-mathematics
find positive real number x that satisfies $2001=x\lfloor x\lfloor x\lfloor x\rfloor\rfloor\rfloor$
algebra-precalculus
elementary-number-theory
ceiling-and-floor-functions
Proof that $\frac{1}{a_1} +\frac{1}{a_2} +...+\frac{1}{a_{20}}$ is an integer
algebra-precalculus
Is there a name for the point of a exponential curve where the y axis significantly increases?
algebra-precalculus
How do we solve $x^2 + \{x\}^2 = 33$ without computer?
algebra-precalculus
ceiling-and-floor-functions
fractional-part
Spivak Calculus, Ch. 4 Graphs, Problem 18
algebra-precalculus
solution-verification
Is is mathematically correct to write $\frac{h>2}{l<4}\neq\frac{1}{2}$ therefore $\sin^{-1}\frac{h>2}{l<4}\neq30^{\circ}$?
algebra-precalculus
trigonometry
Spivak Calculus, Ch. 4 Graphs, Problem 19v: How to interpret graph in solution manual?
algebra-precalculus
Know the probability of $A$ beating $B$, also $B$ beating $C$, what's the probability of $A$ beating $C$ three games in a row?
probability
algebra-precalculus
contest-math
conditional-probability
puzzle
Find $f: \mathbb{R} \to \mathbb{R}$ which satisfies $f(2x^2+2yf(z))=2xf(x)+2zf(y).$
algebra-precalculus
functional-equations
I need "intuition" about fraction exponents, like $4^{1.2}$. What exactly is it meant to do with number $4$? [duplicate]
algebra-precalculus
Understanding a riddle: How many flowers in a bouquet, if all but two are roses, all but two are tulips, and all but two are daisies?
algebra-precalculus
puzzle
A new way of solving cubics?
algebra-precalculus
quadratics
Simple Trig Equations - Why is it Wrong to Cancel Trig Terms?
algebra-precalculus
trigonometry
quadratics
Why can't division by zero be defined just like iota? [duplicate]
algebra-precalculus
arithmetic
Solve the equation $7t+[2t] =52 $ ,where $[x]$ denotes the floor function for $x$.
algebra-precalculus
proof-verification
ceiling-and-floor-functions
Where does the equation of asymptotes of a hyperbola come from?
algebra-precalculus
Inequality; when we switch signs? From basic to complicated
algebra-precalculus
inequality
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