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Evaluate the Determinant $\left| \begin{array} { c c } \frac { 1 } { 5 } & - \frac { 1 } { 10 } \\10 & 5\end{array} \right|$

Question 56

Multiple Choice

Evaluate the determinant.
- $\left| \begin{array} { c c } \frac { 1 } { 5 } & - \frac { 1 } { 10 } \\10 & 5\end{array} \right|$

A) -2
B) 0
C) 2
D) $\frac { 5 } { 2 }$

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