Question

Dadas=(1 5) e =(2 2 )
( 1 3) ( 0 -1)
Qual o valor de A+B:

a)(0 5)
14
b)(3 7)
12
c)(1 5)
24
d)(0 3)
14
e)(1 1)
1 2

Answer 1

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$\Large\boxed{\begin{array}{l}\rm A=\begin{pmatrix}\sf1&\sf5\\\sf1&\sf3\end{pmatrix}~~\rm B=\begin{pmatrix}\sf2&\sf2\\\sf0&\sf-1\end{pmatrix}\\\rm A+B=\begin{pmatrix}\sf1+2&\sf5+2\\\sf1+0&\sf3-1\end{pmatrix}\\\rm A+B=\begin{pmatrix}\sf3&\sf7\\\sf1&\sf2\end{pmatrix}\\\huge\boxed{\boxed{\boxed{\boxed{\sf\maltese~alternativa~b}}}}\end{array}}$