Let A_(m×n) be a matrix and X∈R^n and b∈R^m. Then the system Ax=b has unique solution if
Question 5Answer
a.
rank (A) = rank [A:b]<n
b.
rank (A) < rank [A:b]=n
c.
rank (A) > rank [A:b]=n
d.
rank (A) = rank [A:b]=n
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