If matrix AAA has an entire row of zeros, what can we conclude about det(A)\det(A)det(A)?
det(A)=0\det(A) = 0det(A)=0
det(A)>0\det(A) > 0det(A)>0
det(A)=1\det(A) = 1det(A)=1
det(A)\det(A)det(A) is undefined