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2. Suppose that A is an rn x n matrix and b є С. Prove that the linear system CSA, b) is consistent if and only if r(A) = r(

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2. Suppose that A is an rn x n matrix and b є С". Prove that the linear system CSA, b) is consistent if and only if r(A) = r(Ab) 2. Suppose that A is an rn x n matrix and b є С". Prove t...
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