jawaban tertera pada gambar
semoga membantu
⁵log3 = a, ³log4 = b
⁴log15 =.....
= ⁴log5 + ⁴log3
= (⁴log3 ³log5) + ⁴log3
= 1/(³log4 ⁵log3) + 1/³log4
= 1/(³log4 ⁵log3) + ⁵log3/(³log4 ⁵log3)
= (1+ 5log3)/(⁵log3 ³log4)
= (1 + a)/(ab)....jawaban (A)
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jawaban tertera pada gambar
semoga membantu
⁵log3 = a, ³log4 = b
⁴log15 =.....
= ⁴log5 + ⁴log3
= (⁴log3 ³log5) + ⁴log3
= 1/(³log4 ⁵log3) + 1/³log4
= 1/(³log4 ⁵log3) + ⁵log3/(³log4 ⁵log3)
= (1+ 5log3)/(⁵log3 ³log4)
= (1 + a)/(ab)....jawaban (A)