第二类换元法求∫√ x2-a2dx(a＞0)时，合适的代换是 -题库考试答案搜索网

第二类换元法求∫√ x2-a2dx(a＞0)时，合适的代换是

单选题

2021-09-01 20:09

A、x=a sec t

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正确答案

A

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标签：青书学堂黑龙江省教育学院高等代数（高起专）

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