Q57 do Livro FME Vol. 2 - Propriedades de potência
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Q57 do Livro FME Vol. 2 - Propriedades de potência
Q57. Determine o valor da expressão (2^n + 2^n-1)(3^n - 3^n-1), para todo n, para todo n.
Questão retirada do Livro Fundamentos da Matemática Elementar Vol. 2
Segue abaixo meu raciocínio, por favor me apresentem a explicação passo a passo de como prosseguir, ou mostre-me onde errei e qual a maneira correta de resolver a questão.
![Q57 do Livro FME Vol. 2 - Propriedades de potência 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)
Questão retirada do Livro Fundamentos da Matemática Elementar Vol. 2
Segue abaixo meu raciocínio, por favor me apresentem a explicação passo a passo de como prosseguir, ou mostre-me onde errei e qual a maneira correta de resolver a questão.
Última edição por rato naval em Sex 24 Fev 2023, 17:51, editado 1 vez(es)
rato naval- Padawan
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Re: Q57 do Livro FME Vol. 2 - Propriedades de potência
Ele quer que vc simplifique essa expressão, mas como não é uma questão de marcar, não da pra saber exatamente onde é pra chegar. Daí o que vc fez está tecnicamente correto. Posso acrescentar que vc poderia escrever a expressão que vc chegou da seguinte forma:
\(6^n - 6^{n-1} - 6^{n-1} \cdot 2 + 6^{n-1} \cdot 3 = \)
\(6^n - 6^{n-1} ( -1 -2 +3) = 6^n\)
Outra maneira de chegar nisso seria:
\( (2^n + 2^{n-1} )( 3^n - 3^{n-1}) = \)
\( (2 \cdot 2^{n-1} + 2^{n-1} )( 3 \cdot 3^{n-1} - 3^{n-1}) = \)
\( 2^{n-1}(2 + 1 ) 3^{n-1} ( 3-2) = \)
\(2^{n-1} \cdot 3 \cdot 3^{n-1} \cdot 2 = 2^n \cdot 3^n = 6^n \)
\(6^n - 6^{n-1} - 6^{n-1} \cdot 2 + 6^{n-1} \cdot 3 = \)
\(6^n - 6^{n-1} ( -1 -2 +3) = 6^n\)
Outra maneira de chegar nisso seria:
\( (2^n + 2^{n-1} )( 3^n - 3^{n-1}) = \)
\( (2 \cdot 2^{n-1} + 2^{n-1} )( 3 \cdot 3^{n-1} - 3^{n-1}) = \)
\( 2^{n-1}(2 + 1 ) 3^{n-1} ( 3-2) = \)
\(2^{n-1} \cdot 3 \cdot 3^{n-1} \cdot 2 = 2^n \cdot 3^n = 6^n \)
DaoSeek- Jedi
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rato naval gosta desta mensagem
Re: Q57 do Livro FME Vol. 2 - Propriedades de potência
Olá!
Ao invés do você multiplicar os termos direto, pode-se por o 2^n e o 3^n em evidência nos seus respectivos parênteses. Desse modo:
[latex](2^n+2^n-1).(3^n-3^n-1)
(2^n+2^n/2).(3^n-3^n/3)
(2^n.(1+1/2)).(3^n.(1-1/3))
(2^n.(3/2)).(3^n.(2/3)) [/latex]
Agora você pode fazer a multiplicação normalmente. Segue abaixo:
[latex](2^n.(3/2)).(3^n.(2/3))
2^n.3^n.(3/2 . 2/3)
2^n.3^n
(2.3)^n
6^n[/latex]
Ao invés do você multiplicar os termos direto, pode-se por o 2^n e o 3^n em evidência nos seus respectivos parênteses. Desse modo:
[latex](2^n+2^n-1).(3^n-3^n-1)
(2^n+2^n/2).(3^n-3^n/3)
(2^n.(1+1/2)).(3^n.(1-1/3))
(2^n.(3/2)).(3^n.(2/3)) [/latex]
Agora você pode fazer a multiplicação normalmente. Segue abaixo:
[latex](2^n.(3/2)).(3^n.(2/3))
2^n.3^n.(3/2 . 2/3)
2^n.3^n
(2.3)^n
6^n[/latex]
Vansolem- Iniciante
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rato naval gosta desta mensagem
Re: Q57 do Livro FME Vol. 2 - Propriedades de potência
Muito obrigado, pessoal! Foi de grande ajuda, fiquem com Deus. ![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
rato naval- Padawan
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» Alguém tem os Exercícios Resolvidos/ Livro do Professor do livro Matemática Contexto & Aplicações Vol 1,2 e 3?
» Vetores, livro Poliedro 2018, Fís., Livro 2, página 26
» Propriedades
» Propriedades - 391 - 3
» propriedades 391 - 4
» Vetores, livro Poliedro 2018, Fís., Livro 2, página 26
» Propriedades
» Propriedades - 391 - 3
» propriedades 391 - 4
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