jawaban nomer 6 berapa ya
Matematika
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Pertanyaan
jawaban nomer 6 berapa ya
1 Jawaban
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1. Jawaban jpallo
³log 5 = a
⁵log 2 = b
¹²log 15 = ?
log 15 ³log 15 ³log (5 x 3)
¹²log 15 = --------- = ---------- = ---------------
log 12 ³log 12 ³log (4 x 3)
³log 5 + ³log 3
= -------------------
³log 4 + ³log 3
a + 1
= --------------
³log 2² + 1
a + 1
= ----------------
2 ³log 2 + 1
a + 1
= -------------------------
2 ³log 5 ⁵log 2 + 1
a + 1
= ------------ ( B )
2ab + 1
semoga jelas dan membantu ya