Question

If A=[1-1 1 2 1-3 1 1 1], find A^(-1) and hence solve the system of linear equation. x+2y+z=4,-x+y+z=0,x-3y+z=2​

Answer 1

Step-by-step explanation:

If A = [(1,2,1)(-1,1,1)(1,-3,1)(1,-3,1)], find A-1.Hence solve the system of equations: x+2y+z = 4, -x+y+z = 0, x-3y+z = 4.