2.1475   ODE No. 1475

1. Problem in Latex
2. Mathematica input
3. Maple input

$$4y^{(3)}(x)-8y^{″}(x)-11y^{\prime }(x)-3y(x)+18e^x=0$$ ✓ Mathematica : cpu = 0.0252897 (sec), leaf count = 38

$$\left\{\{y(x)\to c_1{e}^{-x/2}+c_2{e}^{-x/2}x+c_3{e}^{3x}+e^x\}\right\}$$ ✓ Maple : cpu = 0.013 (sec), leaf count = 23

$$\{y\left(x\right)=(\mathit{\_}\mathit{C}\mathit{3}x+\mathit{\_}\mathit{C}\mathit{2}){\mathrm{e}}^{-\frac{x}{2}}+\mathit{\_}\mathit{C}\mathit{1}{\mathrm{e}}^{3x}+{\mathrm{e}}^x\}$$