Mathematics, 12.06.2020 19:57, leethiel1

Let y′′+3y′−18y=0. Try a solution of the form y=erx, for some unknown constant r, by substituting it into the differential equation. =0. help (formulas) Simplify and factor your equation in the previous part as much as possible. Be sure to divide out any factors guaranteed to be nonzero. =0. help (formulas) Find all values of r such that y=erx satisfies the differential equation. If there is more than one correct answer, enter your answers as a comma separated list.

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Let y′′+3y′−18y=0. Try a solution of the form y=erx, for some unknown constant r, by substituting it...