(c) $\int_{}^{}{e^{x}\frac{(x - 1)}{x^{2}}\ dx}$ $= \int_{}^{}{e^{x}\left( \frac{1}{x} - \frac{1}{x^{2}} \right)\ dx}$ $= \frac{e^{x}}{x} + c$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.