di ketahui log 2 = a, log 3 = b, makq nilai log 72 adalqh
Matematika
della645
Pertanyaan
di ketahui log 2 = a, log 3 = b, makq nilai log 72 adalqh
2 Jawaban
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1. Jawaban RexyGamaliel
log 2 = a
log 3 = b
log 72
= log (8×9)
= log 8 + log 9
= log 2³ + log 3²
= 3.log 2 + 2.log 3
= 3a + 2b -
2. Jawaban Anonyme
Bab Logaritma
Matematika SMA Kelas X
^ = pangkat
log 72
= log (8 . 9)
= log 8 + log 9
= log 2^3 + log 3²
= 3 . log 2 + 2 . log 3
= 3a + 2b