Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
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Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
f-1[ f(x) ] = x
ΑπάντησηΔιαγραφήf-1[ f( 1/(x-4) ) ] = 1/(x-4)
f-1[ 1 ] = 1/(x-4)
(3*1-2)/(2*1+3)= 1/(x-4)
αρα x=9?