関連ワード:  integral of 4e^2x    integral of 4e 2x    integral of 4 2x    integral of 4 /( 2x 1    integral of 4 2x 3    integral of 2x^2+4)    integral of 4^(2x+6)    integral of 4/(2x-1)^2    antiderivative of 4e^2x    integral of 2x 4 x 2