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Question: 16 elementary matrices and a method for finding a39 13...

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1.6 Elementary Matrices and a Method for Finding A39 13. Assume that A is a square matrix which satisfies A2 -3A +1 0. Show that A-1 31-A 14. (a) Show that a matrix with a row of zeros cannot have an inverse. (b) Show that a matrix with a column of zeros cannot have an inverse.
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