微分方程 https://assets.asklib.com/psource/2015110116014788369.png -4 https://assets.asklib.com/psource/2015110116020651779.png ′+5 https://assets.asklib.com/psource/2015110116020651779.png =0的通解为 https://assets.asklib.com/psource/2015110116020651779.png =()。

A . ['['(C1+C2https://assets.asklib.com/psource/2015110116022342552.png )e2rB . e(C1coshttps://assets.asklib.com/psource/2015110116022342552.png +C2sinhttps://assets.asklib.com/psource/2015110116022342552.png )C . C1e2r+C2ehttps://assets.asklib.com/psource/2015110116022342552.png D . C1coshttps://assets.asklib.com/psource/2015110116022342552.png +C2sinhttps://assets.asklib.com/psource/2015110116022342552.png

时间:2022-09-01 13:42:09 所属题库:第一章高等数学题库

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