The sum of Eigen values of matrix M is where left...

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The sum of Eigen values of matrix, [M] is where \[\left[ {\text{M}} \right] = \left[ {\begin{array}{*{20}{c}} {215}&{650}&{795} \\ {655}&{150}&{835} \\ {485}&{355}&{550} \end{array}} \right]\]

A. 915

B. 1355

C. 1640

D. 2180

Answer: Option A

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