Przedstaw wyrażenie w postaci logarytmu pewnej liczby
a) log₂ 10-1
b) log½ 6-2
c) 4-2 log₃6
No to jedziemy:
a) log₂ 10-1 = log₂ 10- log₂ 2 = log₂ (10/2) = log₂ 5
b) log½ 6-2 = log½ 6 - log½ (1/4) = log½ 24
c) 4-2 log₃6 = log₃81 - log₃(6^2) = log₃81 - log₃36 = log₃(81/36) = log₃(9/4)
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No to jedziemy:
a) log₂ 10-1 = log₂ 10- log₂ 2 = log₂ (10/2) = log₂ 5
b) log½ 6-2 = log½ 6 - log½ (1/4) = log½ 24
c) 4-2 log₃6 = log₃81 - log₃(6^2) = log₃81 - log₃36 = log₃(81/36) = log₃(9/4)