{"ops":[{"insert":"对于一些直接凑微分不方便或者很困难又不适合分部积分的不定积分我们可以采用待定系数法具体如何使用呢五道例题两种操作方案先看第一类待定系数法 也就是分析形式设出含有参数的原函数对原函数求导解出待定的系数\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/1a0fc2a688688dfd75ea7f2b3c2ccc88b0953219.jpg","width":1500,"height":2000,"size":1851404,"status":"loaded"}}},{"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/6273665222e5ab955b7ddf6cf361878c89051325.jpg","width":1500,"height":2000,"size":1861754,"status":"loaded"}}},{"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/819a592bf94e1720d1c5a3487049f8bf438640bd.jpg","width":1500,"height":2000,"size":1846216,"status":"loaded"}}},{"insert":"下面来看第二种类型 也就是利用待定系数法被积函数进行变形 分母换元用分母去凑分子\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/a7e3ef9f6cc0834ad135f88a341017236b288928.jpg","width":1500,"height":2000,"size":1888446,"status":"loaded"}}},{"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/7ea91451a51c3afda29045fb9167677011866416.jpg","width":1500,"height":2000,"size":1911265,"status":"loaded"}}},{"insert":"好了 这就是待定系数法对的一些微薄应用当然本次介绍的待定系数法只是待定系数法在不定积分中应用的九牛一毛\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/2316b8e24eed39938ce33368a01b6275bfac2807.jpg","width":720,"height":960,"size":282863,"status":"loaded"}}},{"insert":"\n"},{"attributes":{"class":"normal-img"},"insert":{"native-image":{"alt":"read-normal-img","url":"https://b1.sanwen.net/b_article/f8b0ee5c832b81a02e490b72eadde2a580e009ac.jpg","width":1500,"height":2000,"size":1843246,"status":"loaded"}}},{"insert":"补充一种待定系数这种需要连续设两次 进行化简\n"}]}
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