Question
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  1. Si y , cuál es el valor de ?
  2. Si y , ¿cuál es el valor de ?

Ask by Bowman Donnelly. in Mexico
Jan 24,2025

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Tutor-Verified Answer

Answer

14.
Si , entonces o .
Dado que , .
Calculamos :
  • Si :
    .
  • Si :
    .
o .

15.
Dado que y , entonces:
.

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Mind Expander

Para resolver el primer problema, tenemos que , lo que significa que o (normalmente tomamos el valor positivo a menos que se indique lo contrario). Por otro lado, implica que . Entonces, . Si tomáramos , el resultado seguiría siendo . Así que el valor es .
Para el segundo problema, sabemos que , lo que nos dice que o . Además, . Usamos la identidad . Al sustituir, tenemos , que se simplifica a . Por lo tanto, .

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