If $F =$ $\begin{bmatrix}2 & 1\\x & 3\end{bmatrix}$, how would one determine values of $x$ for which $F$ only has real eigenvalues?
2026-04-23 15:12:25.1776957145
Determine the value of x for which matrix F has only real eigenvalues?
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Take the discriminant of the characteristic polynomial, and solve for the condition that it is nonnegative