関連ワード:  integral of x 2sin x 3    integral of x 2 sin x 3 dx    integral of x 2 sin 1 x 3 2    integral of x 2 sin inverse x 3 2    integral of x 2 sin inverse x 3 2 dx    integration of x 2sin 1 x 3 2    integration of cos x 2 sin x 2 3    integral x 2 sin 1 x 3 2 dx    integration of 2 sin x sin 2x x 3    find integration of x 2 sin inverse x 3 2