Q. $\int_{1}^{e}{\frac{1}{x}dx}$ is equal to
A) $\infty$
B) 0
C) 1
D) $\log{(1 + e)}$
Explanation
(c)
$\int_{1}^{e}{\frac{1}{x}dx} = \left\lbrack \log x \right\rbrack_{1}^{e} = \log e - \log 1 = 1$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.