GATE (TF) Textile 2023 Question Paper Solution | GATE/2023/TF/36

Question 36(Textile Technology & Fibre Science)

Two eigenvalues of the following matrix are 3 and 6. The third eigen value is
\begin{bmatrix}-2& -4& 2\\-4& 1& 2\\4& 2& 5\end{bmatrix}

(A)-5
(B)-1
(C)1
(D)4
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Option is correct

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