関連ワード:  integral of 2x e x 2 dx    integration of 2x 3 e x 2 dx    integration of e 2x 1 x 2 dx    integration of e 2x cos 2 x dx    evaluate integral 2x e x 2 dx    integral of xe x 2 dx    integral of 2x ^ 2 + x dx    integration of xe x 2 dx from 0 to 1    integration of xe^x^2 dx is equal to    integral 2xe x 2 dx