Answer:
Let
= 1 (8 ? 6) + 1
(0 + 9) + 2 (0 ? 6)
= 2 + 9 ? 12 =
?1 0
is
non-singular so A?1 exists.
A11 =
(?1)1+1(8 ? 6) = 2;
A12 =
(?1)1+2(0 ? 9) = ?9;
A13 =
(?1)1+3(0 ? 6) = ?6;
A21 =
(?1)2+1(?4 + 4) = 0;
A22 =
(?1)2+2(4 ? 6) = ?2;
A23 =
(?1)2+3(?2 + 3) = ?1;
A31 =
(?1)3+1(3 ? 4) = ?1;
A32 =
(?1)3+2(?3 ? 0) = 3;
A33 =
(?1)3+3(2 ? 0) = 2;
Now
You need to login to perform this action.
You will be redirected in
3 sec