题目
17. (5.0分) 函数y=x^3-6x^2+ln x的微分是A. dy=3x^2-12x+(1)/(x)B. dy=(3x^2-6x+(1)/(x))dxC. dy=(x^3-6x^2+ln x)dxD. dy=(3x^2-12x+(1)/(x))dx
17. (5.0分) 函数$y=x^{3}-6x^{2}+\ln x$的微分是
A. $dy=3x^{2}-12x+\frac{1}{x}$
B. $dy=(3x^{2}-6x+\frac{1}{x})dx$
C. $dy=(x^{3}-6x^{2}+\ln x)dx$
D. $dy=(3x^{2}-12x+\frac{1}{x})dx$
题目解答
答案
D. $dy=(3x^{2}-12x+\frac{1}{x})dx$