Question

Show that the equations -2x + y + z = a, x – 2y + z = b, x + y – 2z = c have no solution unless a + b + c = 0. In which case, they have infinitely many solutions. Find these solutions when a = 1, b = 1 and c = -2​

Answer 1

Answer:

I have to go to the doctors to see if they can get the rest of the course and the rest of the 55