dada as matrizes: A=|2 5| B=|9 1| C=|3 -1| |-4 8| |-7 0| |-9 5| a) A+2B b) 2A-C c)A*B d)B(elevado a .... Pergunta de ideia desamanthachialle

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dada as matrizes:

A=|2 5| B=|9 1| C=|3 -1|
|-4 8| |-7 0| |-9 5|

a) A+2B b) 2A-C c)A*B d)B(elevado a T) * C(elevado a T)

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PedrockCM $A = \left[\begin{array}{ccc}2&5\\-4&8\end{array}\right] B=\left[\begin{array}{ccc}9&1\\-7&0\end{array}\right] C=\left[\begin{array}{ccc}3&-1\\-9&5\end{array}\right] \\

$

Questão A)
$\left[\begin{array}{ccc}2&5\\-4&8\end{array}\right] + \left[\begin{array}{ccc}18&2\\-14&0\end{array}\right] = \left[\begin{array}{ccc}20&7\\-18&8\end{array}\right]$

Questão B)
$\left[\begin{array}{ccc}4&10\\-8&16\end{array}\right] - \left[\begin{array}{ccc}3&-1\\-9&5\end{array}\right] = \left[\begin{array}{ccc}1&9\\1&11\end{array}\right]$

Questão C)
$A \left[\begin{array}{ccc}2&5\\-4&8\end{array}\right] \times B \left[\begin{array}{ccc}9&1\\-7&0\end{array}\right] = \left[\begin{array}{ccc}-17&2\\-92&-4\end{array}\right]$

Questão D)
Ps. Matriz elevada a T, significa Matriz Transposta. Você só troca linha por coluna, e vice-versa.

$B^t=\left[\begin{array}{ccc}9&-7\\1&0\end{array}\right]\times C^t=\left[\begin{array}{ccc}3&-9\\-1&5\end{array}\right]=\left[\begin{array}{ccc}34&-116\\3&-9\end{array}\right]$

samanthachialle obgada :)

PedrockCM Questão D) Editada

samanthachialle ok

complete the setences below about the simple past. affirmative sentences are formed with the verbs in their _____ forms . questions are formed with the auxiliary _ and the main verbs in their____forms.

Responda

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complete the setences below about the simple past. affirmative sentences are formed with the verbs in their _____ forms . questions are formed with the auxiliary _ and the main verbs in their____forms.

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Helpful Social

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complete the setences below about the simple past. affirmative sentences are formed with the verbs in their _______ forms . questions are formed with the auxiliary _____ and the main verbs in their______forms.

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Helpful Social

complete the setences below about the simple past. affirmative sentences are formed with the verbs in their _____ forms . questions are formed with the auxiliary _ and the main verbs in their____forms.