高数 不定积分?

过程尽量详细,谢谢
2025-04-07 19:54:04
推荐回答(2个)
回答1:

不定积分是高数计算问题中的难点,也是重点,因为还关系到定积分的计算。要想提高积分能力,我认为要注意以下几点:(1)要熟练掌握导数公式。因为求导与求积是逆运算,导数特别是基本初等函数的导数公式掌握好了,就为积分打下了良好的基础。(2)两类换元法及分部积分法中,第一类换元法是根本,要花时间和精力努力学好。(3)积分的关键不在懂不懂,而在能不能记住。一种类型的题目做过,下次碰到还会不会这很重要。(4)如果是初学者,那要静心完成课本上的习题。如果是考研级别,那更要做大量的训练题并且要善于总结。以上几点建议,希望能有一定的作用

回答2:

解如下图所示

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