tentukan nilai x : 1. ²log (x+1) = 2 2. ³log (4x-1) = 1 3. ⁵log (2-X) = 2 tolong di jawab pake cara lengkapnya ya
Matematika
anissaaa02
Pertanyaan
tentukan nilai x :
1. ²log (x+1) = 2
2. ³log (4x-1) = 1
3. ⁵log (2-X) = 2
tolong di jawab pake cara lengkapnya ya
1. ²log (x+1) = 2
2. ³log (4x-1) = 1
3. ⁵log (2-X) = 2
tolong di jawab pake cara lengkapnya ya
1 Jawaban
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1. Jawaban Anonyme
Bab Logaritma
Matematika SMA Kelas X
^ = pangkat
1] ²log (x + 1) = 2
x + 1 = 2²
x = 4 - 1
x = 3
2] ^3log (4x - 1) = 1
4x - 1 = 3^1
4x = 3 + 1
x = 4/4
x = 1
3] ^5log (2 - x) = 2
2 - x = 5²
-x = 25 - 2
x = -23