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等价无穷小适用情况和常见错误,一次性讲个明白

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VIDEOS
MP4 N/A 480P Download
MP4 N/A 480P Download
MP4 N/A 360P Download
MP4 N/A 360P Download
AUDIO
MP4 N/A mp4a.40.2 Download
MP4 N/A mp4a.40.5 Download
MP4 N/A mp4a.40.2 Download
THUMBNAILS
等价无穷小适用情况和常见错误,一次性讲个明白 JPEG Origin Image Download
要点:
1.等价无穷小其实是不完全的泰勒展开
2.极限运算法则,什么时候能加减拆开
3.看两项比值是否为-1决定能否局部等价无穷小
总结:一定要习惯使用泰勒展开,用泰勒展开去理解等价无穷小,使用等价无穷小时就不会错