Signals and Systems

The eigen values of matrix are

A 1, 1

B - 1, - 1

C j, - j

D 1, - 1

ANS:D - 1, - 1

Eigen values of matrix A are roots of characteristic equation. [λ1- A] = 0 where λ is a scalar. Therefore

(λ + 1)(λ - 1) = 0. The roots are - 1 and + 1.

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