5log(x-1)=1-5log(x+3) tolong dijawab yahhh... terima kasih :)
Matematika
violettadjvdovcl37
Pertanyaan
5log(x-1)=1-5log(x+3)
tolong dijawab yahhh...
terima kasih :)
tolong dijawab yahhh...
terima kasih :)
2 Jawaban
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1. Jawaban GiralGayartanta
...maaf ya kalo terlalu gelap...2. Jawaban ahreumlim
⁵log(x - 1) = 1 - ⁵log(x + 3)
⁵log(x - 1) + ⁵log(x + 3) = 1
⁵log((x - 1)(x + 3)) = 1
⁵log(x² + 2x - 3) = ⁵log 5
⇔ x² + 2x - 3 = 5
⇔ x² + 2x - 3 - 5 = 0
⇔ x² + 2x - 8 = 0
⇔(x + 4) (x - 2) = 0
x = -4 atau x = 2Pertanyaan Lainnya