Logaritmos Flashcards

1
Q

Qual a fórmula padrão de logaritmo?

A

logb N = x => N = b^x

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2
Q

Quais as propriedades de logaritmo?

A

logb (N . M) = logb N + logb M

logb (N/M) = logb N - logb M

logb N^M = M . logb N

logb N = logb X
N = X

logb N > logb X
N >X

log0<b<1 > log0<b<1 X
N < X (inverte a inequação)

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3
Q

Como fazer mudança de base em logaritmo?

A

logb N = logc N/logc b

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4
Q

Qual a condição de existência de um logaritmo?

A

logb N = X

N > 0
b > 0

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