238
次の定積分を求めよ。
(1) \(\displaystyle{\int_0^2(x^3-3x^2-1)\ dx}\)
(2) \(\displaystyle{\int_{-1}^2(3t-1)(t+1)\ dt}\)
(3) \(\displaystyle{\int_{1}^4(x+1)^2\ dx-\int_1^4(x-1)^2\ dx}\)
(4) \(\displaystyle{\int_{-2}^0(3x^3+x^2)\ dx-\int_2^0(3x^3+x^2)\ dx}\)