Lesson 6 · Inverse Matrix

Determinant of Matrix

Optional MathematicsSubject

8 minEstimated read

Activity 1

Studying arrangements of numbers

Method

Study the pattern of the numbers given in \( |6| \) and \( \begin{vmatrix} 2 & 4 \\ 5 & 9 \end{vmatrix} \), then discuss the questions below.

Discussion

What kind of form do the given numbers have?
What are the vertical lines closing in the arrangement of numbers called?
What features do the two arrangements of numbers have in common?

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