Let A be a 7 x n matrix with full rank. Which of the following statements about the number of
solutions of Ax = b is NOT true?
O

Question

Let A be a 7 x n matrix with full rank. Which of the following statements about the number of
solutions of Ax = b is NOT true?
O If n = 5, the number of solutions may be ∞.
O If n = 5, the number of solutions may be 0.
O If n
=
5, the number of solutions may be 1.
O If n
=
7, the number of solutions is necessarily 1.
O If n 10, the number of solutions is necessarily .
=

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Let A be a 7 x n matrix with full rank. Which of the following statements about the number of solutions of Ax = b is NOT true? O If n = 5, the number of solutions may be ∞. O If n = 5, the number of solutions may be 0. O If n = 5, the number of solutions m