jika 3log5=b tentukan nilai 9log75
Matematika
thiobear24
Pertanyaan
jika 3log5=b tentukan nilai 9log75
1 Jawaban
-
1. Jawaban ahreumlim
⁹log 75
= 3^2 log (3 . 25)
= (3^2 log 3) + (3^2 log 5²)
= (1/2) ³log3 + (2/2) ³log5
= (1/2) . 1 + ³log5
= 1/2 + b