ln(1-x^2)与x^2等价吗,是要考虑符号问题吗一道选择题时这样的,问x趋近于0的时候,哪一个是与x^2等价无穷小的ln(1-x^2)~-x^21-(1-2x^2)^(1/2) x^2是等价无穷小要考虑正负号吗
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 21:46:40
![ln(1-x^2)与x^2等价吗,是要考虑符号问题吗一道选择题时这样的,问x趋近于0的时候,哪一个是与x^2等价无穷小的ln(1-x^2)~-x^21-(1-2x^2)^(1/2) x^2是等价无穷小要考虑正负号吗](/uploads/image/z/3931472-56-2.jpg?t=ln%281-x%5E2%29%E4%B8%8Ex%5E2%E7%AD%89%E4%BB%B7%E5%90%97%2C%E6%98%AF%E8%A6%81%E8%80%83%E8%99%91%E7%AC%A6%E5%8F%B7%E9%97%AE%E9%A2%98%E5%90%97%E4%B8%80%E9%81%93%E9%80%89%E6%8B%A9%E9%A2%98%E6%97%B6%E8%BF%99%E6%A0%B7%E7%9A%84%2C%E9%97%AEx%E8%B6%8B%E8%BF%91%E4%BA%8E0%E7%9A%84%E6%97%B6%E5%80%99%2C%E5%93%AA%E4%B8%80%E4%B8%AA%E6%98%AF%E4%B8%8Ex%5E2%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E7%9A%84ln%281-x%5E2%29%7E-x%5E21-%281-2x%5E2%29%5E%281%2F2%29+x%5E2%E6%98%AF%E7%AD%89%E4%BB%B7%E6%97%A0%E7%A9%B7%E5%B0%8F%E8%A6%81%E8%80%83%E8%99%91%E6%AD%A3%E8%B4%9F%E5%8F%B7%E5%90%97)
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