Integration — Easy JEE math MCQ$\int x^2 dx$ equals:A. $\frac{x^3}{3} + C$B. $2x + C$C. $\frac{x^2}{2} + C$D. $x^3 + C$Solution$\int x^2 dx = \frac{x^{2+1}}{2+1} + C = \frac{x^3}{3} + C$