Need help understanding the math for the two egg drop problem equation ( X ( X + 1 ) ) / 2 = F
74780
Two marbles and a 100 story building
46244
solve the integral equation 2
78632
Summation equation for $2^{x-1}$
49505
Problem 1.1.5 from Hatcher's
49794
Solve $f(x^2+y+f(y))=2y+f(x)^2$ over $\mathbb{R}$
57651
I am very confused about the probability formula $E[\min(X,k)]=\int_0^kxf(x)dx+k(1-F(k))$
101289
Studying the equation $\ln(x)- 1+ x^2=0$
112089
Find the Maclaurin series of f(x)
42699
Solve for $f(x)$ if $f(f(x))=6x-f(x)$
128751
Solving for $f(2004)$ in a given functional equation
14515
Algebra struggles: 2 problems in 1
81055
Functional Equation simple problem
109461
Solving equation involving Euler's totient function
95377
What is the correct equation for Newton's Method?
9554
How can I find the surface area of a normal chicken egg?
11806
Functional equation.
103251
Solution(s) to $f(x + y) = f(x) + f(y)$ (and miscellaneous questions...)