Question

calcule as bases dos logaritmos a seguir:

Answer 1

a- log a(5)=-1

a^-1=5
1/a=5
1=5a
[a=1/5].
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b- log a(³√4)=2/3

a^2/3=³√4
a^2/3=³√2²
a^2/3=2^2/3
[a=2].
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c- log x(³√2)=1/2

x^1/2=³√2 (elevando ao quadrado)

x=(³√2)^2
[x=2^2/3].
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