1) Consider the following differential equation to be solved by variation of parameters.
y'' + y = sec(θ) tan(θ)
Find the complementary function of the differential equation.
yc(θ) =
Find the general solution of the differential equation.
y(θ) =
2) Solve the given differential equation by undetermined coefficients.
y'' + 5y' + 4y = 8
y(x) =
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