Find the general solution of the differential equation π y" + 4y = 13 sec² (2t), 0 < t < 4 NOTE: Use C₁ and C₂ as arbitrary constants, and enter an exact answer. y(t) =C₁ cos(2 t) + C₂ sin(2 t) - . 13 13 + sin (2 t) In sec(2 t) + tan(2 t)| 4 4

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Q: Find a linear differential operator that annihilates the given function. (Use D for the differential…

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