GATE CE 2014 Set 1 — Question 14
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Engineering Mathematics → Linear Algebra → Eigenvalues & Eigenvectors
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Question
The sum of Eigen values of the matrix, is
where
where
Correct answer
(A) 915
Solution
The sum of the eigenvalues of a square matrix is equal to the trace of the matrix, which is the sum of its diagonal elements.Given matrix Sum of eigenvalues = Trace() = .Therefore, the correct option is (A).
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