関連ワード:  integral of 5x^(4/3)    antiderivative of 4/5x^3    integral of 5x 2 3x 4    integral 25x(5x-3)^4    integration of (3x+5)^4    integral of (2x+3)/(x^2-5x+4)    (5x-4) squared    5x-4=4x answer    what is the integral of 5^x