Find ∫(x2+1)dx\int (x^2 + 1) dx∫(x2+1)dx.
x33+x+C\frac{x^3}{3} + x + C3x3+x+C
x3+x+Cx^3 + x + Cx3+x+C
x22+x+C\frac{x^2}{2} + x + C2x2+x+C
x3/3+Cx^3/3 + Cx3/3+C