O valor de 7^ log 5 na base 7 - 5^ log 7 na base 5 é igual a: A)35 B)12 C)2 D)-2 E)-12.... Pergunta de ideia deSttefanyB

SttefanyB @SttefanyB

July 2022 1 11 Report

O valor de 7^ log 5 na base 7 - 5^ log 7 na base 5 é igual a:
A)35
B)12
C)2
D)-2
E)-12

Lista de comentários

Luanferrao

Verified answer

Pela propriedade:

$a^{log_a\ b} = b$

$7^{log_7\ 5}-5^{log_5\ 7}\\\\\ 5-7\\\\ \boxed{\boxed{-2}}$

2 votes Thanks 5

More Questions From This User See All

SttefanyB July 2022 | 0 Respostas

SttefanyB July 2022 | 0 Respostas

SttefanyB July 2022 | 0 Respostas

SttefanyB July 2022 | 0 Respostas

se log 2 na base 7=x e log 3 na base 7=y, qual o valor de log 12 na base 18?

SttefanyB July 2022 | 0 Respostas

SttefanyB July 2022 | 0 Respostas

SttefanyB July 2022 | 0 Respostas

SttefanyB February 2021 | 0 Respostas

SttefanyB November 2019 | 0 Respostas

Helpful Links

Política de Privacidade

Termos e Condições

direito autoral

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.