Penjelasan dengan langkah-langkah:
³log 27 + ³log 9
= 3 + 2 = 5
⁶log 72 - ⁶log 3
= ⁶log (72/3)
= ⁶log 24
= ⁶log 6 + ⁶log 4
= 1 + ⁶log 4
⁴log 128 - ⁴log 64
= ⁴log (128/64)
= ⁴log 2
= ½
⁵log 125 - ⁵log 5
= 3 - 1
= 2
⁹log 128 + ²log 16
= ⁹log 2⁷ + 4
= 4 + 7 × ⁹log 2
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Penjelasan dengan langkah-langkah:
³log 27 + ³log 9
= 3 + 2 = 5
⁶log 72 - ⁶log 3
= ⁶log (72/3)
= ⁶log 24
= ⁶log 6 + ⁶log 4
= 1 + ⁶log 4
⁴log 128 - ⁴log 64
= ⁴log (128/64)
= ⁴log 2
= ½
⁵log 125 - ⁵log 5
= 3 - 1
= 2
⁹log 128 + ²log 16
= ⁹log 2⁷ + 4
= 4 + 7 × ⁹log 2