The multiplicative inverse of matrix \[\left[ \begin{matrix} 2 & 1 \\ 7 & 4 \\ \end{matrix} \right]\]is [DCE 2002]

\[\left[ \begin{matrix} 4 & -1 \\ -7 & -2 \\ \end{matrix} \right]\]

\[\left[ \begin{matrix} -4 & -1 \\ 7 & -2 \\ \end{matrix} \right]\]

\[\left[ \begin{matrix} 4 & -7 \\ 7 & 2 \\ \end{matrix} \right]\]

\[\left[ \begin{matrix} 4 & -1 \\ -7 & 2 \\ \end{matrix} \right]\]

The multiplicative inverse of matrix \[\left[ \begin{matrix} 2 & 1 \\

1.	The multiplicative inverse of matrix \[\left[ \begin{matrix} 2 & 1 \\ 7 & 4 \\ \end{matrix} \right]\]is [DCE 2002]
A.	\[\left[ \begin{matrix} 4 & -1 \\ -7 & -2 \\ \end{matrix} \right]\]
B.	\[\left[ \begin{matrix} -4 & -1 \\ 7 & -2 \\ \end{matrix} \right]\]
C.	\[\left[ \begin{matrix} 4 & -7 \\ 7 & 2 \\ \end{matrix} \right]\]
D.	\[\left[ \begin{matrix} 4 & -1 \\ -7 & 2 \\ \end{matrix} \right]\]
Answer» E.

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The multiplicative inverse of matrix \[\left[ \begin{matrix} 2 & 1 \\ 7 & 4 \\ \end{matrix} \right]\]is [DCE 2002]

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