Resolva: =.... Pergunta de ideia deJiminee

Jiminee @Jiminee

January 2020 1 137 Report

Resolva:
$\left[\begin{array}{ccc}1+ \sqrt{5} &3\\4&1- \sqrt{5} \end{array}\right]$ =

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IzzyKoushiro $Resolu\c{c}\~ao \to \left\{\begin{array}{ccc} \left[\begin{array}{ccc}1+\sqrt{5}&3\\4&1-\sqrt{5}\end{array}\right] \\\\D = (1+\sqrt{5})(1-\sqrt{5}) - (3)*(4)\\\\D = 1^2-(\sqrt{5})^2 - 12\\\\D = 1-5 - 12\\\\\boxed{\boxed{D = -16 }}\end{array}\right$

Espero ter ajudado. =^.^=

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IzzyKoushiro É sim! Erro corrigido!

IzzyKoushiro Tem gente respondendo!

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