Question Number 181795 by ali009 last updated on 30/Nov/22
$${use}\:{laplace}\:{transform}\:{to}\:{slove}\: \\ $$$${y}''+\mathrm{4}{y}=\mathrm{5}{u}\left({t}−\mathrm{1}\right),{y}\left(\mathrm{0}\right)=\mathrm{0},{y}'\left(\mathrm{0}\right)=\mathrm{0} \\ $$$$ \\ $$