In each case determine how many solutions (and how many parameters) are possible for a homogeneous system
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(a) Rank A = 2.
(b) Rank A = 1.
(c) A has a row of zeros.
(d) The row-echelon form of A has a row of zeros.
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b There are n r 6 1 5 parameters by Theorem 2 12 d ...View the full answer
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