- 2
-
计算定积分
- 5
-
求不定积分
。
- 10
-
设
,求
。
- 11
-
求极限
。
- 15
-
=_______。
- 17
-
设
,则
=_______。
- 20
-
极限
=_______。
- A.<img src="//img1.yqda.net/question-name/a8/a854f93a97a402721499d84227eddb.png" width="45" height="27"/>
- B.<img src="//img1.yqda.net/question-name/75/d3e73463c82df00b1ad478ca45d13a.png" width="42" height="27"/>或<img src="//img1.yqda.net/question-name/d4/2eaf80419ad2a5c39902fa1582ca0e.png" width="52" height="27"/>
- C.<img src="//img1.yqda.net/question-name/e0/9eb7e31891c5b9d546afeb63713ce4.png" width="42" height="27"/>
- D.<img src="//img1.yqda.net/question-name/2a/82c6b3ceaf42dd1d3ef9a00775e903.png" width="52" height="27"/>
- A.<img src="//img1.yqda.net/question-name/20/3a64abe28a9c4139a8b25e15260387.png" width="67" height="25"/>
- B.<img src="//img1.yqda.net/question-name/78/9901655899b8052497e1ce3398a57f.png" width="87" height="42"/>
- C.<img src="//img1.yqda.net/question-name/8f/dfa4a084ce4eaf4a760a14449d10d9.png" width="96" height="45"/>
- D.<img src="//img1.yqda.net/question-name/99/fad90a6d7866da1eb53e454f9fc30f.png" width="81" height="25"/>
- A.<img src="//img1.yqda.net/question-name/fd/0cfd39a881a43483f56888ae234eff.png" width="42" height="25"/>
- B.<img src="//img1.yqda.net/question-name/9d/2a12ba5531c6cdbca9487b579e1d3f.png" width="43" height="25"/>
- C.<img src="//img1.yqda.net/question-name/42/27798658af577d0f3dccae19f0a17e.png" width="67" height="25"/>
- D.<img src="//img1.yqda.net/question-name/df/c0ea25cdf76e5bf63aa4ee37589854.png" width="68" height="25"/>
- 24
-
等比级数
的和为()
- A.1/2
- B.1
- C.2
- D.4
- A.π/3
- B.π/2
- C.π
- D.2π