What is the determinant of matrix |-8|?​

Given:

The matrix is .

To find:

The determinant of given matrix, i.e, .

Solution:

If a matrix is A of order , then the value of the determinant of that matrix is equal to the element of that matrix.

For example: Let A be the matrix of order .

Then,

The given matrix is . So, the  determinant of given matrix, i.e, , is

Therefore, the value of determinant of given matrix is -8.

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