# Find general solution for the ODE y"-9y=(9x)/(e^(3x)) Write clean, and clear. Show steps of calculations. Hint: use variation of parameters method for finding particular solution y_p

Find general solution for the ODE
$y"-9y=\frac{9x}{{e}^{3x}}$
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Mira Spears
$y"-9y=\frac{9x}{{e}^{3x}}$
Auxiliary eqn is ${m}^{2}-9=0$

using variation of parameters,

General solution