曲面z-e^z+2xy=3在点(1,2,0)处的切平面方程为(  )。A.3(x

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问题 曲面z-e^z+2xy=3在点(1,2,0)处的切平面方程为(  )。A.3(x-1)+2(y-2)=0B.4(x-1)+2(y-2)=0C.3(x-1)+(y-2)=0D.4(x-1)+(y-2)=0

选项 A.3(x-1)+2(y-2)=0
B.4(x-1)+2(y-2)=0
C.3(x-1)+(y-2)=0
D.4(x-1)+(y-2)=0

答案 B

解析
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