Which one of the following statements about a square system AX=B is correct?
a) If ∣A∣=0, the matrix A is singular.
b) If ∣A∣=0 and (adjA)B=0, the system has no solution.
c) If ∣A∣=0, the system has exactly one solution.
d) If ∣A∣=0 and (adjA)B=0, the system has infinitely many solutions.