题目
14【单选题】int_(0)^1(e^x)/(1+e^x)dx=A. ln(1+e)/(2)B. ln(2+e)/(2)C. ln(1+e)/(3)D. ln(1+2e)/(2)
14【单选题】$\int_{0}^{1}\frac{e^{x}}{1+e^{x}}dx=$
A. $\ln\frac{1+e}{2}$
B. $\ln\frac{2+e}{2}$
C. $\ln\frac{1+e}{3}$
D. $\ln\frac{1+2e}{2}$
题目解答
答案
A. $\ln\frac{1+e}{2}$