Question

2 3 7
1 2 3
4-2 -3 find determinant
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Answer 1

Answer:

1. For a 2×2 matrix the determinant is ad - bc.
2. For a 3×3 matrix multiply a by the determinant of the 2×2 matrix that is not in a's row or column, likewise for b and c, but remember that b has a negative sign!

Step-by-step explanation:

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Answer 2

The determinant of a matrix is a special number that can be calculated from a square matrix

.A Matrix is an array of numbers:

The determinant of that matrix is (calculations are explained later):

3×6 − 8×4 = 18 − 32 = −14

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