2 log 3x+1 per 2x-7=3 minta tolong ya
Matematika
jupri20
Pertanyaan
2 log 3x+1 per 2x-7=3
minta tolong ya
minta tolong ya
1 Jawaban
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1. Jawaban Anonyme
jawab
²log{(3x+1)/(2x -7)} = 3
(3x+1)/(2x-7) = 2³ = 8
8(2x-7) = 3x +1
16x - 56 = 3x + 1
13x = 57
x = 57/13