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Finding eigenvalues of a matrix

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Find the eigenvalues of the following matrix

U = mat(2 4; 3 1).

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Solution Summary

A step-by-step solution is provided to find the eigenvalues of a 2x2 matrix.

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To find the eigenvalues of the matrix above, we must solve the characteristic equation, det(LI-U)=0, where L stands for lamda. Let's first find the matrix LI-U.

LI-U = mat(L 0; 0 L) - mat(2 4; 3 1) = ...

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