帮忙解道微分方程的题,y''(t)+4y'(t)-3y(t)=(2t+1)e2t (最后是e的2t次方)就是大一的微分方程求解,
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![帮忙解道微分方程的题,y''(t)+4y'(t)-3y(t)=(2t+1)e2t (最后是e的2t次方)就是大一的微分方程求解,](/uploads/image/z/9303328-64-8.jpg?t=%E5%B8%AE%E5%BF%99%E8%A7%A3%E9%81%93%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B%E7%9A%84%E9%A2%98%2Cy%27%27%28t%29%2B4y%27%28t%29-3y%28t%29%3D%282t%2B1%29e2t+%28%E6%9C%80%E5%90%8E%E6%98%AFe%E7%9A%842t%E6%AC%A1%E6%96%B9%EF%BC%89%E5%B0%B1%E6%98%AF%E5%A4%A7%E4%B8%80%E7%9A%84%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B%E6%B1%82%E8%A7%A3%2C)
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