Which of these is a property of the rank of a matrix AAA?
rank(A)=rank(AT)rank(A) = rank(A^T)rank(A)=rank(AT)
rank(A+B)=rank(A)+rank(B)rank(A+B) = rank(A) + rank(B)rank(A+B)=rank(A)+rank(B)
rank(A)=0rank(A) = 0rank(A)=0 if AAA is invertible
Rank is the number of zero rows