A expressão equivale a:A) B) C) D) E) Divirtam-se. :)).... Pergunta de ideia deIzzyKoushiro

April 2020 1 228 Report

A expressão $\boxed{ \sqrt{7 + \sqrt{17} } * \sqrt{7 - \sqrt{17} } }$ equivale a:

A) $32.$

B) $49.$

C) $7 + \sqrt{17} .$

D) $4 \sqrt{2} .$

E) $5 \sqrt{2}.$

Divirtam-se. :))

Lista de comentários

MATHSPHIS

Verified answer

$\sqrt{7+ \sqrt{17} }. \sqrt{7- \sqrt{17} } = \\
\\
 \sqrt{(7+ \sqrt{17})(7-\sqrt{17}) } = \\
\\
 \sqrt{49-17} = \sqrt{32}=4\sqrt{2}$

2 votes Thanks 2

More Questions From This User See All

IzzyKoushiro April 2022 | 0 Respostas

Responda

IzzyKoushiro April 2022 | 0 Respostas

Responda

IzzyKoushiro March 2022 | 0 Respostas

Responda

IzzyKoushiro March 2022 | 0 Respostas

Responda

IzzyKoushiro March 2022 | 0 Respostas

Responda

IzzyKoushiro March 2022 | 0 Respostas

Responda

IzzyKoushiro October 2020 | 0 Respostas

Nas figuras abaixo, determine:[tex]\\\\a)\ resistor\ equivalente(R_{eq}).\\b) \ as\ correntes\ i_T,i_1,i_2\ e\ i_3.\\c)\ as\ voltagens\ U_T,U_1,U_2\ e\ U_3.\\\\\\Resolu\c{c}\~ao\ e \ explica\c{c}\~ao.\\Divirtam-se. \ :)[/tex]

Responda

IzzyKoushiro April 2020 | 0 Respostas

Responda

IzzyKoushiro April 2020 | 0 Respostas

Responda

IzzyKoushiro April 2020 | 0 Respostas

Responda

Recomendar perguntas

Deividyfreitas May 2020 | 0 Respostas

BlackShot May 2020 | 0 Respostas

Vanessakellen May 2020 | 0 Respostas

Guiduarter May 2020 | 0 Respostas

Mrzaine May 2020 | 0 Respostas

O QUE SERIA AUTONOMIA?

Grazifer May 2020 | 0 Respostas

Joazinho May 2020 | 0 Respostas

a palavra rapidez formou se de qual derivacao

Celiana May 2020 | 0 Respostas

Joazinho May 2020 | 0 Respostas

Anatercia May 2020 | 0 Respostas

Lista de comentários

Verified answer

Nas figuras abaixo, determine:[tex]\\\\a)\ resistor\ equivalente(R_{eq}).\\b) \ as\ correntes\ i_T,i_1,i_2\ e\ i_3.\\c)\ as\ voltagens\ U_T,U_1,U_2\ e\ U_3.\\\\\\Resolu\c{c}\~ao\ e \ explica\c{c}\~ao.\\Divirtam-se. \ :)[/tex]

Recomendar perguntas

Helpful Links

Helpful Social