Solve the system. If there is no solution or if there are infinitely many solutions and the system's equations are 2x−8y+5z=11
x+2y−z=0
8x−y−z=1
​a) (x,y,z)=(1,2,3)
b) (x,y,z)=(−1,−2,3)
c) (x,y,z)=(1,2,−3)
d) There is no solution.