Question: Use Exercise 69 to find the general solution of the given equation. x + 4x + 3x = 0 Let x = x(t) be a

Use Exercise 69 to find the general solution of the given equation.

x′′ + 4x′ + 3x = 0

Let x = x(t) be a twice-differentiable function and consider the second order differential equation

x′′ + ax′ + bx = 0

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