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# If the Minor of an element $a_{ij}$ is denoted by $M_{ij}$ and the cofactor of an element $a_{ij}$ is denoted by $A_{ij}$ then, which of the following is true?

$A) A_{ij} = (–1)^{i+j} M_{ij}$

$B) A_{ij} = 1^{i+j} M_{ij}$

$C) A_{ij} = (–1)^{i-j} M_{ij}$

$D) A_{ij} = 1^{i-j} M_{ij}$
Can you answer this question?

Answer: $A_{ij} = (–1)^{i+j} M_{ij}$

answered Mar 12, 2013