c96b8350-6608-11eb-a37e-e580c0970d9b作业答案10（105-111）（周洋鑫）考研资料.pdfVIP免费

2022全程班高分必刷800题答案解析新浪微博@考研数学周洋鑫12022年全程班高分必刷800题作业答案第二章一元函数微分学【105】解析：2'32yxaxb''62yxa111yab''120yba解得3,3ab【106】解析：222433412214144'111xxxxxxxxyxxx3264441431411248''111xxxxxxyxxx令1''02yx得1''02xy时，1''02xy时，故拐点为12,29【107】解析：ln11ln11limlimlim11xxxxxexxeyaxxxxx1ln1111ln111limlimlim212121xxxxxxxxxeeexxeeexxx1111lim12222xxxeelimlimln1limln111xxxxxxxxbyaxexeexxxlimln1limln111xxxxxxxexexxlimlimln11011xxxxex故斜渐近线为1yx2022全程班高分必刷800题答案解析新浪微博@考研数学周洋鑫2limlimln1limlimln110111xxxxxxxxyeexx故在X轴左侧有水平渐近线，无斜渐近线【108】解析：221110limlim11101xxxxeeyee故有水平渐近线1y220012limlim01xxxxeye故有垂直渐近线0x选D【109】解析：222222arctan1arctan1limlimlimlim10111xxxxxxyxxaxxxxx322232221+arctan1+1+limlimarctan1+lim11xxxxxxxxxbyaxxxxx222222222arctan1+1+11+arctan1+11+limlim12xxxxxxxxxxxx222211limarctan1limlim0022211xxxxxxx故斜渐近线为2yx【110】解析：arctanarctanarctanarctan2222222111'11111xxxxxxxyexeeexxx则arctan124122yxyee极大值20yxye极小值arctan211limlim1xxxyxaeeexx...