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if-a-b-c-d-gt-1-then-cyc-log-a-b-3-c-3-d-3-b-2-c-2-d-2-4-




Question Number 156573 by MathSh last updated on 12/Oct/21
if   a;b;c;d>1   then:  Σ_(cyc)  log_a  (((b^3  + c^3  + d^3 )/(b^2  + c^2  + d^2 ))) ≥ 4
ifa;b;c;d>1then:cycloga(b3+c3+d3b2+c2+d2)4

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