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x-y-z-gt-0-x-y-z-3-proof-x-3-2-y-3-2-z-3-2-3-3-




Question Number 140525 by mathdanisur last updated on 09/May/21
x;y;z>0 ; x+y+z=3  proof (x^3 +2)(y^3 +2)(z^3 +2)≥3^3
$${x};{y};{z}>\mathrm{0}\:;\:{x}+{y}+{z}=\mathrm{3} \\ $$$${proof}\:\left({x}^{\mathrm{3}} +\mathrm{2}\right)\left({y}^{\mathrm{3}} +\mathrm{2}\right)\left({z}^{\mathrm{3}} +\mathrm{2}\right)\geqslant\mathrm{3}^{\mathrm{3}} \\ $$
Answered by mitica last updated on 09/May/21
jensen
$${jensen} \\ $$
Answered by mitica last updated on 09/May/21
Commented by mathdanisur last updated on 10/May/21
thanks sir
$${thanks}\:{sir} \\ $$

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