- 6
-
计算定积分
- 7
-
求极限
- 8
-
求极限
- 13
-
求极限
- 15
-
设函数
则偏导数
- A.4ln2+4
- B.4ln2-4
- C.4/1n2 +4
- D.4/ln2 -4
- 16
-
设函数
- A.<img src="//img1.yqda.net/question-name/bb/3b217258e07120791b7311610e58f8.png" width="79" height="40"/>
- B.<img src="//img1.yqda.net/question-name/87/0b5a130850890c6c62fd29d76ef15f.png" width="50" height="40"/>
- C.<img src="//img1.yqda.net/question-name/6e/6b591bf5acf281b98fdad90d03555a.png" width="137" height="52"/>
- D.<img src="//img1.yqda.net/question-name/45/20421d5207fe6667f19aea142e99d0.png" width="119" height="48"/>
- 17
-
定积分
- A.-1
- B.0
- C.1
- D.2
- A.(-∞,-1)
- B.(5,+∞)
- C.(-∞,-1)与(5,+∞)
- D.(-1,5)
- 19
-
若
,则f(x)=
- A.<img src="//img1.yqda.net/question-name/7d/adfc42014b79f23cc6d17a18fbc760.png" width="49" height="67"/>
- B.<img src="//img1.yqda.net/question-name/27/78fcc52a7c84888d5de6e44bec4f6d.png" width="65" height="63"/>
- C.<img src="//img1.yqda.net/question-name/f9/360e09ec971bffac6a90720788f1cd.png" width="44" height="45"/>
- D.<img src="//img1.yqda.net/question-name/74/5afb343b0d22e2b1516bfd50f99f0e.png" width="36" height="42"/>
- A.<img src="//img1.yqda.net/question-name/9d/e57bf3d95f78ab84c499d5a4cec772.png" width="115" height="40"/>
- B.<img src="//img1.yqda.net/question-name/35/1145d6be59e51ea40ac6c31cb057e2.png" width="117" height="41"/>
- C.<img src="//img1.yqda.net/question-name/6d/76f8521c9f0f5790cd3efd1a113230.png" width="119" height="48"/>
- D.<img src="//img1.yqda.net/question-name/ef/939f57bbe50dafeb998271623b92dd.png" width="115" height="50"/>
- A.x=-1及x=4
- B.x=-1及x=-4
- C.x=1及x=-4
- D.x=1及x=4
- A.x-1/2(1-x)
- B.x+1/2(1-x)
- C.x-2/2(1+x)
- D.x+2/2(1+x)
- 23
-
极限
- A.0
- B.1/4
- C.1/2
- D.∞
- 24
-
函数
的定义域是
- A.[1,4]
- B.[1 ,+∞)
- C.(-∞,4]
- D.[-4 ,-1]