Fatoracão - Exerc. do livro Calculo de J.Stewart

por Artur Bensch Borst Ter 22 Mar 2022, 23:02

Boa noite.

Estou com uma grande dúvida em relação a esse exercício :

[latex]3x\tfrac{3}{2} - 9x\tfrac{1}{2} + 6x\tfrac{-1}{2}[/latex]

Cheguei a várias respostas, porém nenhuma correta. Por favor, se poderem resolver passo a passo para que eu possa visualizar com clareza onde eu estou errando ficarei grato.

Desde já obrigado.

por Betoneira de Natal Ter 22 Mar 2022, 23:38

Boa noite colega Artur

Qual é o gabarito que vc achou?
E qual é o fornecido pelo livro?

Lembre-se de uma das regras do fórum: é necessário fornecer o gabarito da questão sempre que possuí-lo.

Very Happy

por Artur Bensch Borst Ter 22 Mar 2022, 23:50

Perdão pelo erro, faz tempo que nao utilizo da plataforma rs .

O gabarito correto é [latex]3x\tfrac{-1}{2}(x-1)(x-2)[/latex]

Não há mais alternativas, eu apenas tentei inúmeras vezes chegar na resposta.

por Betoneira de Natal Qua 23 Mar 2022, 00:01

Acabei de pegar o livro do J. Stewart, e creio que vc escreveu o Latex de modo errôneo.
Os expoentes devem ser colocados acima da incógnita, como a equação que escrevi.
Creio que assim fique mais visível para os outros colegas a equação realmente pedida pelo problema.

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Eu estou tentando refazer tbm, porém, não consigo chegar no mesmo gabarito.

por **qedpetrich** Qua 23 Mar 2022, 00:09

Olá colegas;

Eis um modo:

$Fatoracão - Exerc. do livro Calculo de J.Stewart Png$

O gabarito me parece coerente.

por Betoneira de Natal Qua 23 Mar 2022, 00:10

Consegui resolver a questão.

Seja a equação dada pela questão:

Veja com calma a resolução.
Qualquer coisa pontue.

Obs.: Acabou que consegui a mesma resolução que o colega Petrich kkkk
Mas melhor duas do que nenhuma Smile

por **qedpetrich** Qua 23 Mar 2022, 00:14

Artur, sempre que quiser alguma revisão de onde estiver errando é necessário postar o seu desenvolvimento, assim como o seu raciocínio, sem esses é impossível indicar seus eventuais erros, bons estudos. Smile