24:56

Integrate 1/(1+x^3)

16:43

A Vieta Problem

16:49

Find all positive integer n

17:08

n^4 + 3n^2 + 2 is never a perfect square

21:24

A long road to the limit

19:32

Math for fun, sin(z)=2

17:08

Solving a Quartic Equation

23:06

Math News: The Fish Bone Conjecture has been deboned!!