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请教如何大致判断求积分能否用符号运算解决。
通常，比较复杂的积分可能无法用int求出来，但是这个说法比较主观，因为不同人的“比较复杂”的标准不一致，所以，只能通过用int求一下，得到Explicit integral could not be found就意味着无法用符号积分求解
3 years ago | 0
| accepted
