求上述极限。

A . 正确 B . 错误

A . 直接约分 B . 转化成多项式，再约分 C . 分子分母分开计算 D . 无法计算

A . 正确 B . 错误

<img src='https://img2.soutiyun.com/ask/2019-04-23/92487125804009.png' />

<img src='https://img2.soutiyun.com/ask/2020-12-15/976894603404758.png' />

求函数f(x)=<img src='https://img2.soutiyun.com/ask/2020-11-10/973854762775122.png' />的连续区间,并求极限<img src='https://img2.soutiyun.com/ask/2020-11-10/97385478004011.png' />

讨论函数f(x)<img src='https://img2.soutiyun.com/ask/2020-10-27/972682503904635.png' />在哪些区间内连续,并求极限<img src='https://img2.soutiyun.com/ask/2020-10-27/972682524165794.png' />

设<img src='https://img2.soutiyun.com/ask/2020-12-15/976895300573634.png' />,<img src='https://img2.soutiyun.com/ask/2020-12-15/976895311426255.png' />,证明:<img src='https://img2.soutiyun.com/ask/2020-12-15/976895323305934.png' />;并求下列极限: <img src='https://img2.soutiyun.com/ask/2020-12-15/976895333998546.png' />

<img src='https://img2.soutiyun.com/ask/2020-12-16/976976189951237.png' />

求极限<img src='https://img2.soutiyun.com/ask/2020-12-20/977320542713394.png' />(a、b、c为正的常数)

求下列极限(其中p＞1): <img src='https://img2.soutiyun.com/ask/2021-01-05/978712693087197.png' />

A．下限定理 B．极大定理 C．上限定理 D．单值定理

求极限<img src='https://img2.soutiyun.com/ask/2020-08-06/96557416303996.png' />其中f(x)为连续函数。

设f(x)=1,f'(0)=a,求下列极限: <img src='https://img2.soutiyun.com/ask/2020-12-08/976272540601791.png' />

利用<img src='https://img2.soutiyun.com/ask/2020-12-15/976887077235286.png' />求下列数列的极限: <img src='https://img2.soutiyun.com/ask/2020-12-15/976887090026018.png' />

<img src='https://img2.soutiyun.com/ask/2020-08-04/965409790910194.png' />