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Questions  >>  CBSE XII  >>  Math  >>  Determinants
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Write Minors and Cofactors of the elements of following determinants: $ \quad \begin{vmatrix} a&c \\ b&d \end{vmatrix}$

$\begin{array}{1 1} M_{12} = b, M_{21} = c, M_{22} = a \quad A_{11} = d, A_{12} = -b, A_{21} = -c, A_{22} = a \\ M_{12} = b, M_{21} = c, M_{22} = a \quad A_{11} = c, A_{12} = -c, A_{21} = -c, A_{22} = a \\ M_{12} = b, M_{21} = c, M_{22} =a \quad A_{11} = d, A_{12} = -c, A_{21} = -b, A_{22} = a \\ M_{12} = a, M_{21} = c, M_{22} = b \quad A_{11} = d, A_{12} = -b, A_{21} = -c, A_{22} = a \end{array} $

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