関連ワード:  antiderivative of 4x 1 3    integral of 4x 1 3    integration of 1 4x 3 dx    antiderivative of (x^2 + 4x)^(1/3)    integral 2x 4x 1 3    antiderivative of (x^3-4x-1)/(2x^3)    what is the antiderivative of 1/x^4    what is the antiderivative of 4    antiderivative of 4x