If \[A=\left[ \begin{matrix} 0 & 1 & 3 \\ 1 & 2 & 3 \\ 3 & a & 1 \\ \end{matrix} \right]\] and \[{{A}^{-1}}=\left[ \begin{matrix} 1/2 & -1/2 & 1/2 \\ -4 & 3 & c \\ 5/2 & -3/2 & 1/2 \\ \end{matrix} \right]\] Then the value of \[a+c\]is equal to

If \[A=\left[ \begin{matrix} 0 & 1 & 3 \\ 1 & 2 & 3 \\ �

1.	If \[A=\left[ \begin{matrix} 0 & 1 & 3 \\ 1 & 2 & 3 \\ 3 & a & 1 \\ \end{matrix} \right]\] and \[{{A}^{-1}}=\left[ \begin{matrix} 1/2 & -1/2 & 1/2 \\ -4 & 3 & c \\ 5/2 & -3/2 & 1/2 \\ \end{matrix} \right]\] Then the value of \[a+c\]is equal to
A.	1
B.	0
C.	2
D.	None of these
Answer» C. 2

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If \[A=\left[ \begin{matrix} 0 & 1 & 3 \\ 1 & 2 & 3 \\ 3 & a & 1 \\ \end{matrix} \right]\] and \[{{A}^{-1}}=\left[ \begin{matrix} 1/2 & -1/2 & 1/2 \\ -4 & 3 & c \\ 5/2 & -3/2 & 1/2 \\ \end{matrix} \right]\] Then the value of \[a+c\]is equal to

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