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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 12 (Q.No. 39)
Exam Questions Papers
39.
The matrix A is defined as A = . The eigen values of A2 are
-1, -9, -4
1, 9, 4
1, 3, -2
-1, -3, 2
Answer: Option
Explanation:

Since the given matrix is triangular, roots are elements of the principle diagonal.

i.e. 1A = - 1, - 3, 2

1A2 = (- l)2, (- 3)2, (2)2 = 1, 9, 4.

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