导数的乘除法法则
1. 函数word/media/image1_1.png的导数是( )
A.word/media/image2_1.png B.word/media/image3_1.png C.word/media/image4_1.png D.word/media/image5_1.png
2. 函数word/media/image6_1.png的导数为( )
A. word/media/image7_1.png B. word/media/image8_1.png C. word/media/image9_1.png D. word/media/image10_1.png
3. 函数word/media/image11_1.png的导数为( )
A.word/media/image12_1.png B. word/media/image13_1.png
C. word/media/image14_1.png D. word/media/image15_1.png
4. 函数word/media/image16_1.png的导数为
A. word/media/image17_1.png B. word/media/image18_1.png
C. word/media/image19_1.png D. word/media/image20_1.png
5. 下列求导数运算正确的是
A.(x+word/media/image21_1.png)′=1+word/media/image22_1.png B. (log2x)′=word/media/image23_1.png
C. (3x)′=3xlog3e D. (x2cosx)′= -2xsinx
6. 求下列函数的导数:
(1)word/media/image24_1.png ; (2)word/media/image25_1.png ;
(3)word/media/image26_1.png ; (4)word/media/image27_1.png
7. 求下列函数的导数:
(1)word/media/image28_1.png ; (2)word/media/image29_1.png ;
(3)word/media/image30_1.png ; (4)word/media/image31_1.png ;
(5)word/media/image32_1.png
8. 求下列函数的导数:
(1)word/media/image33_1.png ; (2) word/media/image34_1.png ;
(2)word/media/image35_1.png ; (4)word/media/image36_1.png
9. 质点运动方程是word/media/image37_1.png ,求当word/media/image38_1.png时的瞬时速度。
10. 求函数word/media/image39_1.png在点word/media/image40_1.png处的切线斜率。
参考答案
1. 答案:C
2. 答案:D
3. 答案:B
4. 答案:A
5. 答案:B
6. 解析:(1)原式word/media/image41_1.png
(2)原式word/media/image42_1.png
(3)原式word/media/image43_1.png
(4)原式word/media/image44_1.png
7. 解析:(1)原式word/media/image45_1.png;(2)原式word/media/image46_1.png;
(3)原式word/media/image47_1.png;(4)原式word/media/image48_1.png;
(5)原式word/media/image49_1.png
8. 解析:(1)word/media/image50_1.png ;
(2)word/media/image51_1.png;
(3)word/media/image52_1.png
(4)word/media/image53_1.png
word/media/image54_1.png
9. 解析:word/media/image55_1.png,所以word/media/image56_1.png。
10. 解析:word/media/image57_1.png,word/media/image58_1.png。
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