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25-05-2019
Mathematics

contestada

Find the inverse (A^-1) of matrix A
|12 -21|
|-2 -2/3|

Find the inverse A1 of matrix A 12 21 2 23 class=

Respuesta :

25-05-2019

hope this helps :)

there’s a formula: 1/determinant * ( d -b )

( -c a )

determinant = ad - bc

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