=
1/(2*4 - 1*3) 
=
Example 2.4.3 Inverse of Matrix
Answers:
1. The inverse of =
1/(2*4 - 1*3) =
2. To find A, we have to find the inverse of 
,
since =
A-1, and (A-1)-1 = A, so if we find the
inverse of A-1, we find A.
The inverse of =
1/(1*4 - 2*3)
=
=
A =
