LOgaritma
a'log aⁿ = n
log ab = log a + log b
•
2 ²log 6 - 3 ²log 12 + ⁴log 1/4
= 2 ²log 6 - 3 ²log (6 × 2) + ⁴log 4^-1
= 2 ²log 6 - 3 (²log 6 + ²log 2) + (-1)
= 2 ²log 6 - 3 ²log 6 - 3 ²log 2 - 1
= - ²log 6 - 3 - 1
= -4 - ²log 6
= -4 - ²log (2 × 3)
= -4 - ²log 2 - ²log 3
= -4 - 1 - ²log 3
= -5 - ²log 3
••
cek soal
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LOgaritma
a'log aⁿ = n
log ab = log a + log b
•
2 ²log 6 - 3 ²log 12 + ⁴log 1/4
= 2 ²log 6 - 3 ²log (6 × 2) + ⁴log 4^-1
= 2 ²log 6 - 3 (²log 6 + ²log 2) + (-1)
= 2 ²log 6 - 3 ²log 6 - 3 ²log 2 - 1
= - ²log 6 - 3 - 1
= -4 - ²log 6
= -4 - ²log (2 × 3)
= -4 - ²log 2 - ²log 3
= -4 - 1 - ²log 3
= -5 - ²log 3
••
cek soal