Let A be a nxn matrix and let B be the matrix composed of co-factors of...

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Question

Let A be a nxn matrix and let B be the matrix composed of co-factors of the matrix A. Show that if rk(A) = n - 1 then rk(B) =

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Answer 1

Answer #1

given Matix A have aonkn-1 St means thaf 1 of the oo -has all efements=o Let ths ow e Tth row where iISn the cofoctos Now mag

Answer 2

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