(a) Define what it means for a metric space (X. d) to be complete. Give a metric d onthe interval I = (0,1 such that (I,... 查看全部

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1.Calculate the value of the multiple integral.dA,where D is bounded by y=√x,y=0,x=11+x2a(2+2dA,Dis he regin inth quadra... 查看全部

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