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## Main Question or Discussion Point

Hi all

Quick one, if one had an equation y' = x on could simply separate the variables and integrate. Now it the equation y'' = x you would use separation of variables what drives this?

Also

y'' =0. Is the same as. y''dx =0 dx

Why is this legal?

Thanks in advance

Quick one, if one had an equation y' = x on could simply separate the variables and integrate. Now it the equation y'' = x you would use separation of variables what drives this?

Also

y'' =0. Is the same as. y''dx =0 dx

Why is this legal?

Thanks in advance