Nilai x dari 5^x log 8-3/5-^x log 8 =6
Matematika
chovya18
Pertanyaan
Nilai x dari 5^x log 8-3/5-^x log 8 =6
1 Jawaban
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1. Jawaban aqila13
5^xlog8-3/5-^xlog8=6
Misal: ^xlog8=a
5a-3/5-a=6
5a-3=30-6a
11a=33
a=33/11=3
^xlog8=a
^xlog8=3
^xlog2^3=3
3.^xlog2=3
^xlog2=3/3=1
x=2