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Let A = [a b]. If ad - bc != 0, then a is _______________ [c d]and _______ = 1/(ad-bc) [d -b] [-c a]

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1. Let A = [a b]. If ad - bc != 0, then a is _______________
[c d]
and _______ = 1/(ad-bc) [d -b]
[-c a]





 
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