(b) If a, is the element in the ith row and jth
column of a 3rd order determinant whose
value is 1 and Cij is the cofactor of aij then
what is the value of a12 (C11 + C21) +a12(C12+ C22) + a13 (C13 + C23) ?
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Step-by-step explanation:
yyyyyyttggggttggggfggggggggttgttgggg*ggggggfffffffcghhhygg
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