Lemma practice generator third-order-characteristic #1,370 · Differential Equations · Higher-order linear

Characteristic roots of a third-order ODE

$y = e^{- 11 x}$ solves $y^{''} + 5 y^{'} - 66 y = 0$ . Find the other exponent $m$ for which $e^{m x}$ is a solution.

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