Find the Matrix Product When Possible A) $\left[ \begin{array} { r r r } 12 & 147 & - 90 \\ 18 & - 61 & 42 \\ 27 & 127 & - 81 \end{array} \right]$

question 385

Multiple Choice

Find the matrix product when possible.
- $\left[ \begin{array} { r r r } - 6 & 1 & 8 \\ - 9 & 2 & - 9 \\ 6 & - 3 & 3 \end{array} \right] \left[ \begin{array} { r r r } - 9 & 1 & - 9 \\ 6 & - 8 & 5 \\ - 6 & 4 & - 4 \end{array} \right]$

• A)
• \(\left[ \begin{array} { r r r } 12 & 147 & - 90 \\ 18 & - 61 & 42 \\ 27 & 127 & - 81 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r r } 12 & 18 & 27 \\ 147 & - 61 & 127 \\ - 90 & 42 & - 81 \end{array} \right]\)
• C)
• \(\left[\begin{array}{rrr}
• 54 & 1 & -72 \\
• -54 & -16 & -45 \\
• -36 & -12 & -12
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{rrr}
• -6 & 1 & 8 \\
• -9 & 2 & -9 \\
• 6 & -3 & 3 \\
• -9 & 1 & -9 \\
• 6 & -8 & 5 \\
• -6 & 4 & -4
• \end{array}\right]\)

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Definitions:

Introverts

People whose energy tends to increase from being alone and decreases from being around others, typically preferring solitary activities.

Neurotic People

Individuals who are more likely to experience negative emotions such as anxiety, worry, fear, anger, frustration, envy, jealousy, guilt, depressed mood, and loneliness.

Hans Eysenck

A notable psychologist who developed a influential hierarchical model of personality structured around three broad traits: Extraversion, Neuroticism, and Psychoticism.

Introverts

Individuals who are predominantly focused on their internal thoughts and feelings rather than seeking external stimulation.