Mathematics, 20.09.2020 14:01 gladysspeedie3oxu2ce
Give an example of a 2x2 matrix without any real eigenvalues:
Answers: 3
considering that there is a solution (i.e. nontrivial) to an eigenvector x of Ax = ![A = \left[\begin{array}{cc}-1&-1\\2&1\\ \end{array}\right]](/tpl/images/0771/4496/962ad.png)
![\left[\begin{array}{cc}-1-\lambda &-1\\2&1- \lambda\\ \end{array}\right] =0](/tpl/images/0771/4496/99d4f.png)
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Give an example of a 2x2 matrix without any real eigenvalues:...
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