Respostas AVA

Dadas as matrizes $\displaystyle{A}={\left[\matrix{{1}&{5}&{7}\\{1}&{1}&{1}\\{8}&{3}&{3}}\right]}$ e    $\displaystyle{B}={\left[\matrix{{0}&{3}&{2}\\{2}&{4}&{6}\\{1}&{7}&{7}}\right]}$ , determine a matriz $\displaystyle{X}={A}+{B}$ e, em seguida, assinale a alternativa CORRETA.

$\displaystyle{X}={\left[\matrix{{1}&{8}&{9}\\{1}&{3}&{5}\\-{7}&{4}&{4}}\right]}$
$\displaystyle{X}={\left[\matrix{{0}&{15}&{14}\\{2}&{4}&{6}\\-{7}&{4}&{4}}\right]}$
$\displaystyle{X}={\left[\matrix{{0}&{15}&{14}\\{2}&{4}&{6}\\{8}&{21}&{21}}\right]}$
$\displaystyle{X}={\left[\matrix{{1}&{8}&{9}\\{2}&{4}&{6}\\-{7}&{4}&{4}}\right]}$
$\displaystyle{X}={\left[\matrix{{1}&{8}&{9}\\{3}&{5}&{7}\\{9}&{10}&{10}}\right]}$

ÁLGEBRA LINEAR I

Dadas as matrizes e , determine a matriz e, em seguida, assinale a alternativa CORRETA.

Dadas as matrizes $\displaystyle{A}={\left[\matrix{{1}&{5}&{7}\\{1}&{1}&{1}\\{8}&{3}&{3}}\right]}$ e $\displaystyle{B}={\left[\matrix{{0}&{3}&{2}\\{2}&{4}&{6}\\{1}&{7}&{7}}\right]}$ , determine a matriz $\displaystyle{X}={A}+{B}$ e, em seguida, assinale a alternativa CORRETA.