What Is the Dimension of the Matrix $A = \left[ \begin{array} { c c c } 2 & - 9 & 8 \\4 & 6 & - 7\end{array} \right]$

question 63

Essay

What is the dimension of the matrix
$A = \left[ \begin{array} { c c c } 2 & - 9 & 8 \\4 & 6 & - 7\end{array} \right]$
The dimension of the matrix is $\_\_\_\_\_\_\_\text { x }\_\_\_\_\_\_\_$ .

What is the value of the element $b _ { 21 }$
$b _ { 21 } =\_\_\_\_\_\_\_$

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Definitions:

Imitation

The action of copying or mimicking someone else's behavior, speech, or actions, often as a learning method or form of social interaction.

Reflection of Feeling

A therapeutic technique where the therapist mirrors the client's emotions, helping the client explore their own feelings more deeply.

Reflection of Meaning

The process of exploring and clarifying the values, beliefs, and meanings behind a client's statements in counseling.

Paraphrase

The act of rewording or restating a text or passage in one's own words.