求详细积分过程!求大神那个2是Z来的,我算出来括号里面带有-2C
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![求详细积分过程!求大神那个2是Z来的,我算出来括号里面带有-2C](/uploads/image/z/9512583-15-3.jpg?t=%E6%B1%82%E8%AF%A6%E7%BB%86%E7%A7%AF%E5%88%86%E8%BF%87%E7%A8%8B%21%E6%B1%82%E5%A4%A7%E7%A5%9E%E9%82%A3%E4%B8%AA2%E6%98%AFZ%E6%9D%A5%E7%9A%84%EF%BC%8C%E6%88%91%E7%AE%97%E5%87%BA%E6%9D%A5%E6%8B%AC%E5%8F%B7%E9%87%8C%E9%9D%A2%E5%B8%A6%E6%9C%89-2C)
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