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Find the Inverse, If It Exists, for the Matrix [055−505080]\left[ \begin{array} { r r r } 0 & 5 & 5 \\- 5 & 0 & 5 \\0 & 8 & 0\end{array} \right]

Question 417

Multiple Choice

Find the inverse, if it exists, for the matrix.
- [055−505080]\left[ \begin{array} { r r r } 0 & 5 & 5 \\- 5 & 0 & 5 \\0 & 8 & 0\end{array} \right]


A)
[15015−1500−1818−18]\left[ \begin{array} { r r r } \frac { 1 } { 5 } & 0 & \frac { 1 } { 5 } \\- \frac { 1 } { 5 } & 0 & 0 \\- \frac { 1 } { 8 } & \frac { 1 } { 8 } & - \frac { 1 } { 8 }\end{array} \right]
B)
[15−15−180018150−18]\left[ \begin{array} { r r r } \frac { 1 } { 5 } & - \frac { 1 } { 5 } & - \frac { 1 } { 8 } \\0 & 0 & \frac { 1 } { 8 } \\\frac { 1 } { 5 } & 0 & - \frac { 1 } { 8 }\end{array} \right]
C) The inverse does not exist.
D)
[−15−15−18−180181500]\left[ \begin{array} { c c c } - \frac { 1 } { 5 } & - \frac { 1 } { 5 } & - \frac { 1 } { 8 } \\- \frac { 1 } { 8 } & 0 & \frac { 1 } { 8 } \\\frac { 1 } { 5 } & 0 & 0\end{array} \right]

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