Answer:
Let 
A is
non-singular matrix, so A?1 exists
A11 =
(?1)1+1 2 = 2;
A12 =
(?1)1+2 (?3) = 3;
A21 =
(?1)1+2 5 = 5;
A22 =
(?1)2+2 (?1) = ?1
Now 
You need to login to perform this action.
You will be redirected in
3 sec
