- A.0
- B.1
- C.3
- D.3!
- A.y=sinx+cosx
- B.<img src="//img1.yqda.net/question-name/5e/b98913941851e141395222549b801c.jpg" height="30" width="61" />
- C.<img src="//img1.yqda.net/question-name/a4/5fa6dd4dff4e5f83624989dddcfa80.jpg" height="29" width="94" />
- D.<img src="//img1.yqda.net/question-name/6a/c8d6f54502c83732588c2b295d1839.jpg" height="30" width="128" />
- 11
-
下列式子中正确的是( )
- A.
- B.
- C.
- D.
- 12
-
极限
=
- A.0
- B.2/3
- C.3/2
- D.9/2
- 13
-
无穷限积分
( )
- A.1
- B.0
- C.-1/2
- D.1/2
- A.0
- B.1
- C.2
- D.3
- 15
-
( )
- A.0
- B.1
- C.2
- D.3
- A.<img src="//img1.yqda.net/question-name/f7/1d616b9bb3c989a88b23e13539f197.png" width="96" height="33"/>
- B.<img src="//img1.yqda.net/question-name/00/995a16cf4a12e8ca16dc11091ab22d.png" width="101" height="35"/>
- C.<img src="//img1.yqda.net/question-name/9e/e00d7712ac4e5bdb876aa87e463250.png" width="97" height="35"/>
- D.<img src="//img1.yqda.net/question-name/f5/4d076952a9de6e3da38669b29c1d68.png" width="97" height="32"/>
- 17
-
( )
- A.1
- B.0
- C.∞
- D.2