関連ワード:  integration of 5x 3 2x 1 dx    integration of 2 5x * 3 2x * 1 x dx    integrate 5x 3 * sqrt 2x 1 dx    integration of 5x 3 1 4x 2x 2 dx    integration of 2x 3 5x 2 1 dx    integration of 0 to 1 2x 3 5x 2 1 dx    integration of a^2x    integration of 3^2x