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Find the Inverse of the Matrix [1441]\left[ \begin{array} { c c } 1 & 4 \\- 4 & - 1\end{array} \right]

Question 2

Multiple Choice

Find the inverse of the matrix. [1441]\left[ \begin{array} { c c } 1 & 4 \\- 4 & - 1\end{array} \right]


A) [115415415115]\left[ \begin{array} { c c } \frac { 1 } { 15 } & - \frac { 4 } { 15 } \\ \frac { 4 } { 15 } & \frac { 1 } { 15 } \end{array} \right]

B)
[115415415115]\left[ \begin{array} { c c } - \frac { 1 } { 15 } & - \frac { 4 } { 15 } \\ - \frac { 4 } { 15 } & \frac { 1 } { 15 } \end{array} \right]

C)
[115415415115]\left[\begin{array}{cc}-\frac{1}{15} & \frac{4}{15} \\\frac{4}{15} & \frac{1}{15}\end{array}\right]

D) [115415415115]\left[ \begin{array} { c c } - \frac { 1 } { 15 } & - \frac { 4 } { 15 } \\ \frac { 4 } { 15 } & \frac { 1 } { 15 } \end{array} \right]


E) [115415415115]\left[ \begin{array} { c c } - \frac { 1 } { 15 } & - \frac { 4 } { 15 } \\ \frac { 4 } { 15 } & - \frac { 1 } { 15 } \end{array} \right]

Correct Answer:

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