Find the specified minor and cofactor for the matrix A.M21 and A21 if A = 
A. M21 = -27 and A21 = 77
B. M21 = -24 and A21 = 24
C. M21 = -24 and A21 = -24
D. M21 = -27 and A21 = -27
Answer: B
Mathematics
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