What conditions must be satisfied by b(1), b(2), b(3), b(4), and b(5) for the overdetermined linear system
x(1)-5x(2)=b(1)
x(1)-4x(2)=b(2)
x(1)+x(2)=b(3)
x(1)-6x(2)=b(4)
x(1)+7x(2)=b
a) There must be exactly one unique solution for each equation.
b) There must be no solutions for each equation.
c) There must be infinite solutions for each equation.
d) There must be at least one unique solution for each equation.
