D域由x轴、x2+y2-2x=0(y≥0)及x+y=2 所围成,f(x,y)是连

书海库2019-12-17  1

问题 D域由x轴、x2+y2-2x=0(y≥0)及x+y=2 所围成,f(x,y)是连续

选项

答案B

解析提示 x2+y2-2x=0,(x-1)2+y2 =1,D由(x-1)2+y2 =1,(y≥0),x+y =2与x[img]/upload/tiku/233/2658622_1.jpg[/img]
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