Question

Beserta caranya ya..terimakasih tentang logaritma sma 1

Answer 1

4a] ³log (4x + 2) - ³log (x - 2) = 2

³log ((4x + 2)/(x - 2)) = 2

(4x + 2)/(x - 2) = 3²

4x + 2 = 9 (x - 2)

4x + 2 = 9x - 18

4x - 9x = -18 - 2

-5x = -20

x = -20/-5

x = 4

4b] ²log . ²log x - ²log . ²log . ²log 16 = 2

²log . ²log x - ²log . ²log . ²log 2⁴ = 2

²log . ²log x - ²log . ²log 4 = 2

²log . ²log x - ²log . ²log 2² = 2

²log . ²log x - ²log 2 = 2

²log . ²log x - 1 = 2

²log . ²log x = 2 + 1

²log x = 2³

x = 2⁸

x = 256

Kelas 10

Pelajaran Matematika

Bab 1 Akar, pangkat dan logaritma

Kata kunci : log

Kode kategorisasi : 10.2.1

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Answer 2

Cara serta jawaban ada pada lampiran