3 log 25 x 5 log 81 4 log 2 July 8, 2019 16 32 64 128 3 log 25 x 5 log 81 + 4 log 2 Hasil dari 3 log 25 x 5 log 81 4 log 2 Log81 3 Log (3 2 25 − x 2 ) − 3 log3(25 − x 2 ) + 2 ≥ 0 3 log 81+2 log 1/32-5 log 5√5