Question

Me ajudem POR FAVOR!!!!​

Answer 1

Resposta:

Olá bom dia!

a)

$A+B=\left[\begin{array}{ccc}7+1&-1+8\\0+6&4+1\\\end{array}\right]$

$A+B=\left[\begin{array}{ccc}8&7\\6&5\\\end{array}\right]$

b)

$B+C=\left[\begin{array}{ccc}1+2&8+(-6)\\6+(-5)&1+(-1)\\\end{array}\right]$

$B+C=\left[\begin{array}{ccc}3&2\\1&0\\\end{array}\right]$

c)

$A-C=\left[\begin{array}{ccc}7-2&-1-(-6)\\0-(-5)&4-(-1)\\\end{array}\right]$

$A-C=\left[\begin{array}{ccc}5&5\\5&5\\\end{array}\right]$

d)

$C-B=\left[\begin{array}{ccc}2-1&-6-(8)\\-5-(-6)&-1-(1)\\\end{array}\right]$

$C-B=\left[\begin{array}{ccc}1&-14\\-11&0\\\end{array}\right]$