Algebra, Geometry, International Mathematical Olympiads, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
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Algebra, Geometry, International Mathematical Olympiads, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
ln(2^3)*lnπ=[ln(x-1)^2-ln2]*lnπ =>
ΑπάντησηΔιαγραφήln(2^3)=ln[(x-1)^2/2) =>
(x-1)^2/2=2^3 => x-1=2^2 => x=5