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GATE | GATE 2017 MOCK II | Question 35

  • Last Updated : 14 Feb, 2018
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eigen

(A) 5
(B) 7
(C) 8
(D) 0


Answer: (C)

Explanation: For finding the eigen values,
|A-X| = 0
determinant of \begin{Bmatrix} 2-x & 3\\  4 & 6-x \end{Bmatrix}
=>(2-x)(6-x)-3.4 = 0
=>x^2-8x = 0
The eigen values are 0 and 8.



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