MathDB

Problems(1)

Find max of |(x-y)(y-z)(z-x)|

Source: Turkey Junior National Olympiad 2013 P1

11/29/2013
Let x,y,zx, y, z be real numbers satisfying x+y+z=0x+y+z=0 and x2+y2+z2=6x^2+y^2+z^2=6. Find the maximum value of (xy)(yz)(zx) |(x-y)(y-z)(z-x) |
inequalitiesalgebrapolynomialVietaanalytic geometryfunctioncalculus