A 3×33 \times 33×3 matrix AAA has rank 222. Which statement must be true?
det(A)=0\det(A) = 0det(A)=0
det(A)>0\det(A) > 0det(A)>0
det(A)=2\det(A) = 2det(A)=2
det(A)=1\det(A) = 1det(A)=1