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Question Number 90966 by abdomathmax last updated on 27/Apr/20
$${solve}\:\:{y}^{''} \:+\mathrm{3}{y}^{'} +\mathrm{2}\:={t}−{e}^{−{t}} \:+{sint} \\ $$
Commented by jagoll last updated on 27/Apr/20
$${y}''+\mathrm{3}{y}'+\mathrm{2}{y}={t}−{e}^{−{t}} +\mathrm{sin}\:{t}? \\ $$
Commented by niroj last updated on 27/Apr/20
$$\:\:\:\mathrm{Plzs}\:\:\mathrm{make}\:\mathrm{sure}\:\mathrm{before}\:\mathrm{post}\:\mathrm{your} \\ $$$$\:\mathrm{question}\:\left(\mathrm{edit}\right)\:\mathrm{should}\:\mathrm{proper}\:\mathrm{or}\:\mathrm{not}. \\ $$
Commented by niroj last updated on 27/Apr/20
$$\:{y}^{''} +\mathrm{3y}^{'} +\mathrm{2}\:\mathrm{or}\:\mathrm{y}^{''} +\mathrm{3y}^{'} +\mathrm{2y}\:\mathrm{is}\:\mathrm{the}\:\mathrm{condition}. \\ $$$$\:\mathrm{not}\:\mathrm{a}\:\mathrm{variable}. \\ $$
Commented by mathmax by abdo last updated on 28/Apr/20
$${i}\:{am}\:{sur}\:{about}\:{what}\:{I}\:{post}\:... \\ $$