(Choose 1 answer)
(See picture)
A. Only (i)
B. Both (i) and (ii)
C. Only (ii)
D. None of the other choices is correct
Fish the
exam.
Q: 21
Let A be a square matrix of size 3\times3 , and X is a column vector of size 3\times1 Which statements are true?
(i)AX=0 and X ≠0 then A=0
(ii)AX=0 has only the trivial solution X=0 , then AX = B has a unique solution for every column vector B of size 3\times1 .
