Question

EXERCÍCIOS BÁSICOS
4) Escreva as matrizes:
a) A = (ajj)2x 3 tal que ajj = i + j.
b) A = (aj)3 x 2 tal que aj = 1 - j.
c) B = (bij)2 x 2 de modo que bij = 21 - j.​

Answer 1

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$\red{a)}~\sf\large\blue{A_{2,3}=\left[\begin{array}{ccc}2&3&4\\\\3&4&5\\\end{array}\right]}$

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$\red{b)}~\sf\large\blue{A_{3,2}=\left[\begin{array}{cc}0&-1\\\\0&-1\\\\0&-1\\\end{array}\right]}$

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$\red{c)}~ \sf\large\blue{B_{2,2}=\left[\begin{array}{cc}20&19\\\\20&19\\\end{array}\right]}$

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$\bf\large\green{\underline{\qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad}}$

$\green{\rm\underline{EXPLICAC_{\!\!\!,}\tilde{A}O\ PASSO{-}A{-}PASSO\ \ \ }}$✍

❄☃ $\sf(\gray{+}~\red{cores}~\blue{com}~\pink{o}~\orange{App}~\green{Brainly})$ ☘☀

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☺lá, Vlogs, como tens passado nestes tempos de quarentena⁉ E os estudos à distância, como vão⁉ Espero que bem❗ Acompanhe a resolução abaixo. ✌

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Ⓐ$\bf\large\red{\underline{\qquad\qquad\qquad\qquad\qquad\qquad\quad}}$✍

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$\sf\large\blue{A_{2,3}=\left[\begin{array}{ccc}i+j&i+j&i+j\\\\i+j&i+j&i+j\\\end{array}\right]}$

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$\sf\large\blue{A_{2,3}=\left[\begin{array}{ccc}1+1&1+2&1+3\\\\2+1&2+2&2+3\\\end{array}\right]}$

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$\red{a)}~\sf\large\blue{A_{2,3}=\left[\begin{array}{ccc}2&3&4\\\\3&4&5\\\end{array}\right]}$

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Ⓑ$\bf\large\red{\underline{\qquad\qquad\qquad\qquad\qquad\qquad\quad}}$✍

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$\sf\large\blue{A_{3,2}=\left[\begin{array}{cc}1-j&1-j\\\\1-j&1-j\\\\1-j&1-j\\\end{array}\right]}$

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$\sf\large\blue{A_{3,2}=\left[\begin{array}{cc}1-1&1-2\\\\1-1&1-2\\\\1-1&1-2\\\end{array}\right]}$

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$\red{b)}~\sf\large\blue{A_{3,2}=\left[\begin{array}{cc}0&-1\\\\0&-1\\\\0&-1\\\end{array}\right]}$

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Ⓒ$\bf\large\red{\underline{\qquad\qquad\qquad\qquad\qquad\qquad\quad}}$✍

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$\sf\large\blue{B_{2,2}=\left[\begin{array}{cc}21-j&21-j\\\\21-j&21-j\\\end{array}\right]}$

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$\sf\large\blue{B_{2,2}=\left[\begin{array}{cc}21-1&21-2\\\\21-1&21-2\\\end{array}\right]}$

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$\red{c)}~ \sf\large\blue{B_{2,2}=\left[\begin{array}{cc}20&19\\\\20&19\\\end{array}\right]}$

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$\bf\large\red{\underline{\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}}$☁

☕ $\bf\large\blue{Bons\ estudos.}$

($\orange{D\acute{u}vidas\ nos\ coment\acute{a}rios}$) ☄

$\bf\large\red{\underline{\qquad \qquad \qquad \qquad \qquad \qquad \quad }}\LaTeX$✍

❄☃ $\sf(\gray{+}~\red{cores}~\blue{com}~\pink{o}~\orange{App}~\green{Brainly})$ ☘☀

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$\large\textit{"Absque~sudore~et~labore}$

$\large\textit{nullum~opus~perfectum~est."}$