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Rezolvati ecuatia :
log(in baza3) (3x-1)=2 log (in baza 3)2


Răspuns :

log (baza 3) 3x-1 = 2 log (baza 3) 2
log (baza 3) 3x-1  = log (baza 3) 2 (la puterea) 2
log (baza 3) 3x-1 = log (baza 3) 4
3x-1 = 4
3x = 5
x = 5/3