sqrt(1+tanx)和sqrt(1+sinx)是等价无穷小吗?那sqrt(1+tanx)-sqrt(1+sinx)能直接进行等价代换吗?sqrt()是开平方的意思.原题是求[sqrt(1+tanx)-sqrt(1+sinx)]/x当x→0时的极限。我想在分子用等价无穷小代换。但书
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 09:33:56
![sqrt(1+tanx)和sqrt(1+sinx)是等价无穷小吗?那sqrt(1+tanx)-sqrt(1+sinx)能直接进行等价代换吗?sqrt()是开平方的意思.原题是求[sqrt(1+tanx)-sqrt(1+sinx)]/x当x→0时的极限。我想在分子用等价无穷小代换。但书](/uploads/image/z/2623966-70-6.jpg?t=sqrt%281%2Btanx%29%E5%92%8Csqrt%281%2Bsinx%29%E6%98%AF%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E5%90%97%3F%E9%82%A3sqrt%281%2Btanx%29-sqrt%281%2Bsinx%29%E8%83%BD%E7%9B%B4%E6%8E%A5%E8%BF%9B%E8%A1%8C%E7%AD%89%E4%BB%B7%E4%BB%A3%E6%8D%A2%E5%90%97%3Fsqrt%28%29%E6%98%AF%E5%BC%80%E5%B9%B3%E6%96%B9%E7%9A%84%E6%84%8F%E6%80%9D.%E5%8E%9F%E9%A2%98%E6%98%AF%E6%B1%82%5Bsqrt%281%2Btanx%29-sqrt%281%2Bsinx%29%5D%2Fx%E5%BD%93x%E2%86%920%E6%97%B6%E7%9A%84%E6%9E%81%E9%99%90%E3%80%82%E6%88%91%E6%83%B3%E5%9C%A8%E5%88%86%E5%AD%90%E7%94%A8%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E4%BB%A3%E6%8D%A2%E3%80%82%E4%BD%86%E4%B9%A6)
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