MathCastle
Proof WritingChallengeWriting It Up

Writing It Up · Challenge problem

To prove a2b+b2c+c2a≥ab2+bc2+ca2a^2 b + b^2 c + c^2 a \ge ab^2 + bc^2 + ca^2 for some range of a,b,ca, b, c, which "without loss of generality" is justified?