Question Number 144549 by mathdanisur last updated on 26/Jun/21
Answered by qaz last updated on 27/Jun/21
$$\mathrm{if}\:\mathrm{y}=\mathrm{z}=\mathrm{t}=\mathrm{2},\mathrm{x}=\mathrm{3},\mathrm{this}\:\mathrm{inequality}\:\mathrm{does}\:\mathrm{not}\:\mathrm{hold}.... \\ $$