derivation of matrix 3×3
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Step-by-step explanation:
For a 3×3 Matrix
To work out the determinant of 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 for c. Sum them up, but remember the minus in front of the b.
Answer:
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Step-by-step explanation:
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