1.
y=c_{1}e^{4t}+c_{2}te^{4t}
2.
y=40e^{\frac{t}{4}}+c_{2}e^{\frac{t}{4}}t
3.
y=c_{1}t+c_{2}
4.
y=c_{1}e^{\frac{x}{3}}+c_{2}e^{\frac{x}{3}}x
5.
y=c_{1}e^{-t}+c_{2}te^{-t}
6.
y=c_{1}e^{-7t}+c_{2}te^{-7t}
7.
y=c_{1}e^{-\frac{3t}{10}}+c_{2}e^{-\frac{3t}{10}}t
8.
y=(8e^{\frac{3}{10}}-c_{2})e^{-\frac{3t}{10}}+c_{2}e^{-\frac{3t}{10}}t
9.
y=c_{1}e^{3t}+c_{2}te^{3t}
10.
y=c_{1}e^{-\frac{3t}{2}}+c_{2}e^{-\frac{3t}{2}}t