\"\"

\

The matrices are \"\", \"\".

\

Find \"\".

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\"\"              (Substitute \"\" and \"\")

\

\"\"(Property: \"\")

\

\"\"            (Simplify)

\

\"\"              (Subtract: \"\")

\

 \"\"                                 (Simplify) 

\

 \"\"                                 (Simplify)

\

\"\"                                                    (Subtract: \"\")

\

\"\"                                                         (Simplify)

\

Therefore, the value of \"\" matrix is \"\".\"\"

\

\"\".