3. Among the following matrices with entries in the field of real numbers, exactly one is not diag- onalisable over this field. Which is it? (; ) (») ( 4 ) 2 (a) 1 3 1 -1 3 2 (c) -4 -3 3 (d) 3 2 1 -7 (e) 2 8 4 -7 4 1

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A: Given the following matrices below, confirm or deny that .

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A: See the details solution in below