Pregunta
Ask by Tran May. in Sao Tome and Principe
Nov 17,2024
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
Para resolver a desigualdade
, reescreva o logaritmo na base
, multiplique por
e use a propriedade dos logaritmos para obter
. Multiplicando por
e expandindo, a desigualdade se torna
. Verifique a solução no intervalo
.
Solución

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Como
The Deep Dive
To solve the inequality
, first, we can rewrite the logarithm to a more manageable base. Recall that
because
. Thus, we can rewrite the inequality:
Now, we can multiply the entire inequality by -1 (remembering to flip the direction of the inequality sign):
Next, let’s convert all logarithms into the same base for easier manipulation, ideally base 10 or base
(natural logarithm). For this case, stick with base 10 logarithm since it’s more common.
Now, simplify and isolate
. You will go through one or more steps of logarithm properties and algebraic manipulation, keeping in mind to check your final solution satisfies the domain of the logarithms (i.e.,
and
which provides
).
Ultimately, you’ll find the solution set for
.
To avoid common mistakes:
- Be careful when multiplying or dividing by negative numbers; always switch the inequality sign.
- Make sure to validate your solutions by substituting them back into the original inequality to ensure they hold true.
Happy solving!

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