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  • 25-10-2019
  • Mathematics
contestada

Find the determinant of A.


A.29
B.2
C.-2
D.13
​

Find the determinant of AA29B2C2D13 class=

Respuesta :

sapnab sapnab
  • 25-10-2019

Answer:

Step-by-step explanation:

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

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