2010 Hunan Question 5 Single-choice Differentiating 2010_省自主命题(湖南) 5.$\int_2^4 \frac{1}{x}\mathrm{d}x$ 等于 A. $-2\ln 2$B. $2\ln 2$C. $-\ln 2$D. $\ln 2$ Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →