Evaluate the indefinite integral: ∫(1ex+x3)dx\int (\frac{1}{e^x} + x^3) dx∫(ex1+x3)dx
−e−x+x44+C-e^{-x} + \frac{x^4}{4} + C−e−x+4x4+C
e−x+x44+Ce^{-x} + \frac{x^4}{4} + Ce−x+4x4+C
−e−x+4x3+C-e^{-x} + 4x^3 + C−e−x+4x3+C
ex+x44+Ce^x + \frac{x^4}{4} + Cex+4x4+C