Find the general solution of the differential equation . y'' +9y= 11sec^2(3t), 0<t<π/6
Find the general solution of the differential equation ㅠ 11 sec² (3t), 0 < t < 6 NOTE: Use C₁ and C₂ as arbitrary constants, and enter an exact answer. y" + gy = 11 y(t) = C₁ cos(3 t) + C₂ sin(3 t) + (sin(3 t) In(sec (3 t) + tan(3 t)) − 1) 9
Find the general solution of the differential equation . y'' + 9y= 11sec^2(3t), 0
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