Mathematics, 09.01.2020 01:31, venancialee8805

C: =matrix(2 , 2 , [a, b, c , d ]) ; inverse(c); [d/ad - bc -b/ad - bc -c/ad - bc a/ad - bc] prove that the inverse of matrix c exist if and only if ad-bc does not equal 0..

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C: =matrix(2 , 2 , [a, b, c , d ]) ; inverse(c); [d/ad - bc -b/ad - bc -c/ad - bc a/ad - bc] prove...