MathDB

558

Part of 1992 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 558 Commonwealth of Independent States 1992 x^4 +y^4+z^2>=xyz√8

Source:

8/14/2019
Show that x4+y4+z2≥xyz8x^4 + y^4 + z^2\ge xyz \sqrt8 for all positive reals x,y,zx, y, z.
algebrainequalities