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Find the Inverse, If It Exists, for the Matrix [42031240668090060]\left[ \begin{array} { r r r r } 4 & - 2 & 0 & 3 \\12 & - 4 & 0 & 6 \\6 & - 8 & 0 & 9 \\0 & 0 & - 6 & 0\end{array} \right]

Question 195

Multiple Choice

Find the inverse, if it exists, for the matrix.
- [42031240668090060]\left[ \begin{array} { r r r r } 4 & - 2 & 0 & 3 \\12 & - 4 & 0 & 6 \\6 & - 8 & 0 & 9 \\0 & 0 & - 6 & 0\end{array} \right]


A) The inverse does not exist.
B)
[12303143405601201300160]\left[ \begin{array} { r r r r } - \frac { 1 } { 2 } & 3 & 0 & 3 \\\frac { 1 } { 4 } & - \frac { 3 } { 4 } & 0 & - \frac { 5 } { 6 } \\0 & - \frac { 1 } { 2 } & 0 & - \frac { 1 } { 3 } \\0 & 0 & - \frac { 1 } { 6 } & 0\end{array} \right]
C)
[12140033412000016356130]\left[ \begin{array} { r r r r } - \frac { 1 } { 2 } & \frac { 1 } { 4 } & 0 & 0 \\3 & - \frac { 3 } { 4 } & - \frac { 1 } { 2 } & 0 \\0 & 0 & 0 & - \frac { 1 } { 6 } \\3 & - \frac { 5 } { 6 } & - \frac { 1 } { 3 } & 0\end{array} \right]
D)
[141201311214016161801900160]\left[ \begin{array} { c c c c } \frac { 1 } { 4 } & - \frac { 1 } { 2 } & 0 & \frac { 1 } { 3 } \\\frac { 1 } { 12 } & - \frac { 1 } { 4 } & 0 & \frac { 1 } { 6 } \\\frac { 1 } { 6 } & - \frac { 1 } { 8 } & 0 & \frac { 1 } { 9 } \\0 & 0 & - \frac { 1 } { 6 } & 0\end{array} \right]

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