Question

find the value of determinant ?​

Answer 1

Answer:

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

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Summary

For a 2×2 matrix the determinant is ad - bc.

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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