设直线y=2−xy = 2 - xy=2−x,y=0y = 0y=0与曲线y=x2(x≥0)y = x^{2}(x\geq0)y=x2(x≥0)所围成的平面图形为DDD.
(1)求DDD的面积SSS;
(2)求DDD绕xxx轴旋转一周所得旋转体的体积VVV.
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