Solve the Problem $| \mathrm { A } |$ By Expanding Down the Second Column

question 68

Essay

Solve the problem.
-Evaluate $| \mathrm { A } |$ by expanding down the second column. Show all your work.
$$A = \left[ \begin{array} { r r r } 2 & - 5 & - 4 \\2 & 0 & - 2 \\5 & 1 & - 3\end{array} \right]$$

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Definitions:

Generativity

A stage of psychological development where individuals focus on guiding the next generation or contributing to the well-being of younger people.

Repetition

The act of doing or saying something again and again for the purpose of learning, emphasis, or skill acquisition.

New Skills

Abilities or competencies developed through learning or practice that were not previously possessed.

Practice Play

A form of play involving repetitive actions, enabling children to practice and refine their motor and cognitive skills.