题目int ((2)^xsin (x)^2)dx= ()-|||-(4) ^xsin (x)^2-|||-circled (8) ln 2cdot (2)^xcdot sin (x)^2+(2)^xcdot 2xsin (x)^2-|||-C 以上都不对-|||-D ^xsin (x)^2+C题目解答答案