2. Selesaikan
f.
2log 4x - 2 2log 5 = 3
2log 4x - 2log 52 = 2log 23
2log (4x / 25) = 2log 8
4x / 25 = 8
4x = 200
x = 50
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Soal Matematika Wajib Kelas X no 29 Penilaian Tengah Semester Genap SMA
29. f(x) = 2x - 5 f(3) ? Jawab :
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