51问答网 > 考研数学定积分问题，第13题？

考研数学定积分问题，第13题？

从倒数第二步没看懂，前面换元看懂了
2025-03-14 22:39:55
推荐回答（2个）
回答1：

难道不是利用了对称区间上奇函数积分为0的性质,把x√(1-x²)消掉了麼...

回答2：

详细过程如图rt……希望有所帮助

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