IF x+y+z=21, max value of x^2+y^3+z^2? x,y,z are positive real numbers.

Question

IF x+y+z=21, max value of x^2+y^3+z^2?  x,y,z are  positive real numbers.

Abhik Sen · Answer

Isn't it tending to 9261? y^3 should be dominating term and other 2 terms must approach to 0+.

NINJA · Answer

infinite

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