Question

derivation of matrix 3×3​

Answer 1

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 2

Answer:

the

work

out the

Step-by-step explanation:

determinent

of a 3by 3 martix