Solution
= Solution
Integrating $y''=0$ once gives a constant first <derivative>, and integrating again gives
$$
\boxed{y(x)=C_0+C_1x.}
$$
There are two independent constants, as expected for a second-order <ordinary differential equation>.
= Solution
Integrating $y''=0$ once gives a constant first <derivative>, and integrating again gives
$$
\boxed{y(x)=C_0+C_1x.}
$$
There are two independent constants, as expected for a second-order <ordinary differential equation>.