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Question
Choose the correct alternative:
If the number of variables in a non-homogeneous system AX = B is n, then the system possesses a unique solution only when
Options
p(A) = p(A, B) > n
p(A) = p(A, B) = n
p(A) = p(A, B) < n
none of these
Solution
p(A) = p(A, B) = n
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