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Find the Inverse of the Matrix [321132321111]\left[ \begin{array} { c c c } 32 & 1 & - 1 \\32 & 32 & - 1 \\- 1 & - 1 & 1\end{array} \right]

Question 30

Multiple Choice

Find the inverse of the matrix. [321132321111]\left[ \begin{array} { c c c } 32 & 1 & - 1 \\32 & 32 & - 1 \\- 1 & - 1 & 1\end{array} \right]


A) [1310131131131001313231]\left[ \begin{array} { c c c } - \frac { 1 } { 31 } & 0 & \frac { 1 } { 31 } \\ \frac { 1 } { 31 } & \frac { 1 } { 31 } & 0 \\ 0 & \frac { 1 } { 31 } & \frac { 32 } { 31 } \end{array} \right]

B) [1310131131131001313231]\left[ \begin{array} { c c c } \frac { 1 } { 31 } & 0 & \frac { 1 } { 31 } \\ - \frac { 1 } { 31 } & \frac { 1 } { 31 } & 0 \\ 0 & \frac { 1 } { 31 } & \frac { 32 } { 31 } \end{array} \right]

C)
[1310131131131001313231]\left[ \begin{array} { c c c } \frac { 1 } { 31 } & 0 & \frac { 1 } { 31 } \\\frac { 1 } { 31 } & - \frac { 1 } { 31 } & 0 \\0 & \frac { 1 } { 31 } & \frac { 32 } { 31 }\end{array} \right]

D) [13111311311310251313231]\left[ \begin{array} { c c c } \frac { 1 } { 31 } & 1 & \frac { 1 } { 31 } \\ - \frac { 1 } { 31 } & \frac { 1 } { 31 } & 0 \\ 25 & \frac { 1 } { 31 } & \frac { 32 } { 31 } \end{array} \right]

E) [1310131131131001313231]\left[ \begin{array} { c c c } - \frac { 1 } { 31 } & 0 & \frac { 1 } { 31 } \\ - \frac { 1 } { 31 } & \frac { 1 } { 31 } & 0 \\ 0 & \frac { 1 } { 31 } & \frac { 32 } { 31 } \end{array} \right]

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