zad. rozwiaz rownanie . log na dole male 2 (log na dole male 4 i duzy x ) = -1
zad. rozwiaz rownanie . log na dole male 2 (log na dole male 4 i duzy x ) = -1
log 2 [ log 4 (x)] = -1 <=> log 4 (x ) = 1/2 <=> x = 2 Odp. x = 2 =============