If ∫ex(x3+x2−x+4) dx=exf(x)+C, \int e^x (x^3 + x^2 - x + 4) \, dx = e^x f(x) + C, ∫ex(x3+x2−x+4)dx=exf(x)+C, then f(1) f(1) f(1) is:
The value of : ∫x+1x(1+xex)dx \int \frac{x + 1}{x(1 + xe^x)} dx ∫x(1+xex)x+1dx.