Question: Given A= [ a b, c d ] a) show B= 1/ ad-bc [d -b, -c a] is a candidate A -1 if ad-bc=0 b)

Given A= [ a b, c d ]

a) show B= 1/ ad-bc [d -b, -c a] is a candidate A-1

if ad-bc=0

b) prove B = 1/ad-bc [d -b, -c a] is the inverse of A

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