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Matrix Proof: Determinants

Please see the attached file for the full problem description:

1. Show that if   0, then A^-1=1/ [ d -b ]
[ -c a ] .

Help:
: is the determinant A

[ d -b]
[ -c a ] : is a 2 x 2 matrices

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Solution Summary

A proof for a matrix determinant is provided. The solution is detailed and well presented.

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