Question

Me ajudem por favor

Answer 1

Resolvendo:

I. A + B

$A+B=\left[\begin{array}{ccc}2&4\\0&1\\\end{array}\right] +\left[\begin{array}{ccc}4&1\\7&0\\\end{array}\right]\\\\\\A+B=\left[\begin{array}{ccc}2+4&4+1\\0+7&1+0\\\end{array}\right]\\\\\\A+B=\left[\begin{array}{ccc}6&5\\7&1\\\end{array}\right]$

II. A + C

$A+C=\left[\begin{array}{ccc}2&4\\0&1\\\end{array}\right]+\left[\begin{array}{ccc}3&0\\5&-2\\\end{array}\right]\\\\\\A+C=\left[\begin{array}{ccc}2+3&4+0\\0+5&1+(-2)\\\end{array}\right]\\\\\\A+C=\left[\begin{array}{ccc}5&4\\5&-1\\\end{array}\right]$

III. B + C

$B+C=\left[\begin{array}{ccc}4&1\\7&0\\\end{array}\right]+\left[\begin{array}{ccc}3&0\\5&-2\\\end{array}\right]\\\\\\\\B+C=\left[\begin{array}{ccc}4+3&1+0\\7+5&0+(-2)\\\end{array}\right]\\\\\\\\B+C=\left[\begin{array}{ccc}7&1\\12&-2\\\end{array}\right]$

IV. A + B + C

$A+B+C=\left[\begin{array}{ccc}2&4\\0&1\\\end{array}\right] +\left[\begin{array}{ccc}4&1\\7&0\\\end{array}\right]+\left[\begin{array}{ccc}3&0\\5&-2\\\end{array}\right]\\\\\\\\A+B+C=\left[\begin{array}{ccc}6&5\\7&1\\\end{array}\right]+\left[\begin{array}{ccc}3&0\\5&-2\\\end{array}\right]\\\\\\\\A+B+C=\left[\begin{array}{ccc}9&5\\12&-1\\\end{array}\right]$

Espero ter ajudado!

Desculpe qualquer erro.