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Find the Inverse of the Matrix [4114]\left[ \begin{array} { l l } 4 & 1 \\1 & 4\end{array} \right]

Question 86

Multiple Choice

Find the inverse of the matrix.
[4114]\left[ \begin{array} { l l } 4 & 1 \\1 & 4\end{array} \right]


A) [415115115415]\left[ \begin{array} { c c } \frac { 4 } { 15 } & \frac { 1 } { 15 } \\\frac { 1 } { 15 } & \frac { 4 } { 15 }\end{array} \right]
B) [415115115415]\left[ \begin{array} { l } - \frac { 4 } { 15 } - \frac { 1 } { 15 } \\- \frac { 1 } { 15 } - \frac { 4 } { 15 }\end{array} \right]
C) [415115115415\left[ \begin{array} { c c } \frac { 4 } { 15 } & - \frac { 1 } { 15 } \\- \frac { 1 } { 15 } & \frac { 4 } { 15 }\end{array} \right.
D) [415115115415]\left[ \begin{array} { c c } - \frac { 4 } { 15 } & \frac { 1 } { 15 } \\\frac { 1 } { 15 } & - \frac { 4 } { 15 }\end{array} \right]
E) [41500415]\left[ \begin{array} { c c } \frac { 4 } { 15 } & 0 \\0 & \frac { 4 } { 15 }\end{array} \right]

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