[1]Aplicando a definição, calcule os logaritmos : a)log 1/25^³\/5
b)log 1/9^3√3
c)http://fuhremich.imgur.com/all/
[2]Calcule o valor de x:
a) log 3^x=4
b) log 2^1/16=x
c) log x^27/8=3
d) log 2/5^x=-1
b)log 1/9^3√3
c)http://fuhremich.imgur.com/all/
[2]Calcule o valor de x:
a) log 3^x=4
b) log 2^1/16=x
c) log x^27/8=3
d) log 2/5^x=-1
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