Thread: Higher Order Differential Equation: (D^3 + 1) y = cos^2(x/2) + e^{-x}

1. Higher Order Differential Equation: (D^3 + 1) y = cos^2(x/2) + e^{-x}

(D3+1)y= cos2(x/2) + e-x

I have calculated complementary function help me finding out in particular integral

2. Originally Posted by storm0042
(D3+1)y= cos2(x/2) + e-x

I have calculated complementary function help me finding out in particular integral
Hint: cos2(x/2) = (1/2)*cos(x) + (1/2)

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