Question 1
Given that the 3 × 3 matrix A has inverse A
-1 =
, solve the system of equations
A
x =
b where
b has components
.
◦
x =
◦
x =
◦
x =
◦
x =
◦
x =
Question 2
Use Maple or other computer algebra software to calculate the determinant of the matrix A =
.
◦ 12
◦ 6
◦ 2
◦ 41
◦ 57