Question Number 90974 by abdomathmax last updated on 27/Apr/20
$${solve}\:{cost}\:{y}^{''} \:−\mathrm{2}{sint}\:{y}^{'} \:+\mathrm{2}{cost}\:{y}\:={e}^{{t}} \\ $$
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Question Number 90974 by abdomathmax last updated on 27/Apr/20 | ||
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$${solve}\:{cost}\:{y}^{''} \:−\mathrm{2}{sint}\:{y}^{'} \:+\mathrm{2}{cost}\:{y}\:={e}^{{t}} \\ $$ | ||