(b) Required area $= \int_{q}^{p}{ce^{x}dx}$ $= \left\lbrack ce^{x} \right\rbrack_{q}^{p}$ $= c\lbrack e^{p} - e^{q}\rbrack$ $= f(p) - f(q)$ [image:8_image40.jpeg]
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.