Evaluate ∫(x2+2x+1)dx\int (x^2 + 2x + 1) dx∫(x2+2x+1)dx.
x3/3+x2+x+Cx^3/3 + x^2 + x + Cx3/3+x2+x+C
2x+2+C2x + 2 + C2x+2+C
x3+x2+x+Cx^3 + x^2 + x + Cx3+x2+x+C
None