Question

Solve the system of equations by matrix method , 2x – 3y + 5z = 16 , 3x + 2y – 4z = -4,
x + y – 2z = -3.Find
(a) The value of determinate A
(b) The value of inverse A
(c) The value of x, y and z

Answer 1

Answer:

the answer is xyz-2 b but I can not understand I think this is answer