Finding the determinant of 2x2 matrices
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Q: Find the determinant of these 2x2 matrices.
(a) mat[4 3; -2 9] (b) mat[5 -7; 4 12]
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Solution Summary
The student is shown how to find the determinant of a 2x2 matrix. Two examples are provided. Step-by-step solutions are given. Word attachment included.
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A: For a 2x2 matrix, the formula for the determinant is the following
det{mat[a b; ...
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