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(a) 9log81 = 9log92
9log81 = 2 9log9
9log81 = 2
(b) 2log64 – 2log16 = 2log64/16
2log64 – 2log16 = 2log 4
2log64 – 2log16 = 2
(c) 4log1610 = 4log(42)10
4log1610 = 4log420
4log1610 = 20
Baca juga: Kunci Jawaban Bahasa Inggris Kelas 11 Halaman 23 24 25, Kurikulum Merdeka: The Series of Events
2.
12log100 = 4log100/4log12
= 4log(4 × 25)/4log(4 × 3)
= 4log4 + 4log25/4log4 + 4log3
= 4log4 + 2. 4log5/4log4 + 4log3
= (1 + 2 . 1/m)/(1 + n)