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Find the Cofactor of the Indicated Element a13\mathrm { a } _ { 13 }

Question 59

Multiple Choice

Find the cofactor of the indicated element.
- a13\mathrm { a } _ { 13 }
∣−2−10212531∣\left| \begin{array} { r r r } - 2 & - 1 & 0 \\ 2 & 1 & 2 \\ 5 & 3 & 1 \end{array} \right|


A) 1
B) −8- 8
C) −5- 5
D) −1- 1

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