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曲线y=2e-x在点处的切线与坐标轴所围三角形的面积为A.B.C.e2D.
试题详情
曲线y=2e
-x在点
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC0AAAAjCAYAAAAAEIPqAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
处的切线与坐标轴所围三角形的面积为( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAjCAYAAAB/wZEbAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFBSURBVEhL7ZbtEYMgDIYzGTuxDsswCqOkhIgG
sAQ19le989rT4+XNkw8EfPGCF7XxR+IpoAOHIdnFws6jRwDI9xvivAP6u+K7uWzQxz10wfymOOGs
ggUtoNvYPhZPMaJMUwoOwYXy7LH4kH5C9JY4OTfD0jrPedtc03NTLNH7XHPHxeJblrnWAUU1LXcU
4ejX2bR/TmLlXJuSNnosXkpvi/j4ZTwXxBMGx9jobpx+gbcoTt0rBEUtz5KSTRxu+v+8kB1Lp9Fb
OS9DqZYYRyCH09S5Vmttwto61tbqzAe+69OzOyxyyKJ9qzNi3JeZ5prbX87jcmCsM9U2gNk81hZr
70fmxPjOcDnZaRAnvkbaXfs3/LWg9ffCOXXitTrW5Hfx6G2/WbgUy1nRDfqcVAvu0DZIbRYbPHr7
a2An7//ip3A+rPWocREYmaoAAAAASUVORK5CYII=
)
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAjCAYAAABCU/B9AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACqSURBVDhP7VTBDcMgEPNkt9Otc8swCqO4HAQI
aVQSRVR9NBKKIhnH+GzAGw9uYPkQHI0CocX3f47MQQkgrSvgTBaof3Cz9aobeSDuc1kaxsE8HPeH
ZC1kroeZvV3dQhlfrNUCnyNNei7kpLGbdZ40sAG8uGI8FjyBC+OeKej4XY8B5vpr6nRtdpJyzOaG
RjRp+e2bzi0pzIO+SVNcYw9SlTS7viaz/5HUvQAqQnv7+cLOjgAAAABJRU5ErkJggg==
)
C.e
2D.
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曲线y=2e-x在点
处的切线与坐标轴所围三角形的面积为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAjCAYAAAB/wZEbAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFBSURBVEhL7ZbtEYMgDIYzGTuxDsswCqOkhIgG
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4ejX2bR/TmLlXJuSNnosXkpvi/j4ZTwXxBMGx9jobpx+gbcoTt0rBEUtz5KSTRxu+v+8kB1Lp9Fb
OS9DqZYYRyCH09S5Vmttwto61tbqzAe+69OzOyxyyKJ9qzNi3JeZ5prbX87jcmCsM9U2gNk81hZr
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a2An7//ip3A+rPWocREYmaoAAAAASUVORK5CYII=
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAjCAYAAABCU/B9AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACqSURBVDhP7VTBDcMgEPNkt9Otc8swCqO4HAQI
aVQSRVR9NBKKIhnH+GzAGw9uYPkQHI0CocX3f47MQQkgrSvgTBaof3Cz9aobeSDuc1kaxsE8HPeH
ZC1kroeZvV3dQhlfrNUCnyNNei7kpLGbdZ40sAG8uGI8FjyBC+OeKej4XY8B5vpr6nRtdpJyzOaG
RjRp+e2bzi0pzIO+SVNcYw9SlTS7viaz/5HUvQAqQnv7+cLOjgAAAABJRU5ErkJggg==
)
C.e2
D.
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曲线y=xlnx在点(e,e)处的切线与坐标轴所围三角形的面积为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAARFJREFU
SEu9VIkNBCEI9Fq2HTqhDquwCQ7UFZ/1y+2tySZrwjjADHyIjzk9Ajo95hQQMhuDPKE1kjp/QK4I
HII8AqGPkQ4YaJHSdcZUPO2RbMG2WZMjOAYxE1y5zhuh6TnUehbdiyCPlqBs3YpJADan5QjT/7AR
oc1Bo+uzWYLN7tUWUFDQIr3aFtHYJoIcqFUEXKh/ZzMGiXCarxRvlkzCkoJaj43MbMouLQjyG6bW
Io7DCpxq6rWYDeePOh3M/YtMtSlbk/b3rXka2OigAyn0yUbMnXHLFJzOszWyUw8K64r3wcSDDYjT
AllXB+k5uIZxF8TDqDVsgvqVFd2ge0/1HOi0yVT74j3Q3I9Peu8PTF8/vK5rmsFBVgAAAABJRU5E
rkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAASdJREFU
SEu9VYkNBCEI9Fq2HTqxDqqwCU7UVXzwyW3OZJPdrOPAMOCHwjK3i0G3y9wCYmQ6yJOzhkMPDxCK
jSrIOyDn006EALSO8ueKSRztHVnBdpgTElyDAhM8sa6FqOGhq/ls1Esg7yyBlG7HxABbwkJy+V0V
Isoca/Q8tpTgUL3WAhUUa5FP7ZPobJNACNUqDBbVn9ksgLhwNV5O3myZmCVv6j2mmdlIlTYE5QzT
1iK1ww6ccxprsWrOH+t00fd/ZGpN2Zt0/D7qJ8VGFwrkrS8IEd2e81g4ve2n4h92fgArfiogj1gm
6DNQ5FSVmes5iZbppVoOFs3tcxC3/KI/JiDuqfZq2YaHUOeF2u7yxzCCgxizKEt440Qdb8CH4AUb
HXr3f0xfub+wJQYYRAMAAAAASUVORK5CYII=
)
C.e2
D.2e2
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.
-
曲线y=ex在点(2,e2)处的切线与坐标轴所围三角形的面积为( )
A.
e2
B.2e2
C.e2
D.