Problem

Find the determinant of the matrix [23−21].

Answer

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Answer

Final Answer: The determinant of the matrix [23−21] is 8.

Steps

Step 1 ：Find the determinant of the matrix [23−21].

Step 2 ：The determinant of a 2x2 matrix [abcd] is calculated as ad−bc.

Step 3 ：In this case, we need to calculate the determinant of the matrix [23−21], which would be 2∗1−3∗(−2).

Step 4 ：The determinant calculated is approximately 8.

Step 5 ：Final Answer: The determinant of the matrix [23−21] is 8.

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