Question: b a 1. Let A where a, b, c, dE R. Show that d |AI A| = x tr(A)A + |A| - for each

b a 1. Let A where a, b, c, dE R. Show

b a 1. Let A where a, b, c, dE R. Show that d |AI A| = x tr(A)A + |A| - for each A E R.

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