Question

Em que base o logaritmo de 81 /16 é igual a -4?

Answer 1

Olá Kerollay

logx(81/16) = -4

logx( (3/2)^4 ) = -4

4logx(3/2) = -4

logx(3/2) = -1

logx(2/3) = 1

log2/3(2/3) = 1

base = 2/3

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