Kizspy | Question: 46
(Choose 1 answer)
(See picture)
A. (ii) only.
B. Both (i) and (ii).
C. None of them.
D. (i) only.
Let A be a matrix of size m × n such that rank(A) = r. Which of the following statements are true?
(i) dim(null A) = m - r.
(ii) rank(AT) = r.