Question: 1. Let 1 1 1 1 A = -1 -5 0 1 . 3 1 0 Do the columns of A span R3? Explain.Let's consider

1. Let 1 1 1 1 A = -1 -5 0 1 . 3 1 0 Do the columns of A span R3? Explain.Let's consider fourth column 3. 5 -1.5 0 NI - N/W O It can be Expressed as N / W O O NI - 10 / W + 0 O O V 2 Therefore, fourth column can be Expressed as linear combination of first three columns . Since it can be expressed in terms of the others, the matrix cannot span R 3

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