関連ワード:  antiderivative of e^4x    antiderivative of e^4x^2    antiderivative of e^4x + 1    antiderivative of e^4x^3    antiderivative of (e^(4x))/4    anti derivative of e 4x    integral of e 4x    integral of e 4x 2    integration of e 4x 3    integral of e 4x dx