Question Number 219796 by SdC355 last updated on 02/May/25
$$\mathrm{Solve} \\ $$$${y}^{\left(\mathrm{2}\right)} \left({t}\right)=\left({y}\left({t}\right)\right)^{\mathrm{2}} −{ay}^{\left(\mathrm{1}\right)} \left({t}\right)−{by}\left({t}\right) \\ $$