Mathematics: If possible, find AB. & State the dimension of the result.

Choice b is th e correct thin...

If possible, find AB. & State the dimension - id7199296, adantrujillo1234

Ответ:

Jazzypooh8915

31.01.2022

Mathematics

The answer is " $AB= \left[\begin{array}{cc} -2 &51 \\-8&33\\0&27&\end{array}\right]$ "

Step-by-step explanation:

If the value of A and B is:

$A= \left[\begin{array}{cc}-1&6\\-4&5\\0&3\end{array}\right]$

$B=\left[\begin{array}{cc}2&3\\0&9\end{array}\right]$

Find the value of A $\times$ B:

$AB =\left[\begin{array}{cc}-1 \times 2+6 \times 0 &-1 \times 3+6 \times 9\\ -4 \times 2+5 \times 0& -4 \times 3+5 \times 9\\ 0 \times 2+3 \times 0&-1 \times 2+3\times 9\end{array}\right] \\ \\\\AB =\left[\begin{array}{cc}-2+0 &- 3+54\\ -8+0& -12+45\\ 0+ 0&-2 +27\end{array}\right] \\ \\$

$AB= \left[\begin{array}{cc} -2 &51 \\-8&33\\0&27&\end{array}\right]$

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If possible, find AB. & State the dimension of the result.

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