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Aluno

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Estudos Gerais03/18/2024

3) Dados que ?

  1. Dados que log2=0,30,log3=0,47\log 2=0,30, \log 3=0,47 e log5=0,69\log 5=0,69, determine: a) log9\log 9 b) log12\log 12 c) log30\log 30 d) log125\log 125
  2. Calcule o valor das expressões abaixo: a) log25+log1.000log8\log 25+\log 1.000-\log 8 5 2 b) log81+log0,01+log16\log 81+\log 0,01+\log 16 c) log5+log1log16\log 5+\log 1-\log 16 5 4 d) log212log10log214\log _{2} \frac{1}{2}-\log 10-\log _{2} \frac{1}{4}
  3. Considere que log2x=2\log 2 x=2 e que para a e b positivos, 4 com a1a \neq 1. Qual o valor de xx ?

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