y^'-2/t y=t^3

解答

y^{^{'}} - \frac{2}{t} y = t^{3}

y = \frac{t ^{4}}{2} + c_{1} t^{2}

求解步骤

y^{'} (t) - \frac{2}{t} y = t^{3}

求解线性方程:

y = \frac{t ^{4}}{2} + c_{1} t^{2}

y = \frac{t ^{4}}{2} + c_{1} t^{2}

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