地大《高等数学(专下)》在线作业二-0008

adminhan

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A:a
B:b
C:c
D:d

与点A(-1,2,4)和点B(1,3,-1)等距离的动点M的的轨迹方程为:(    )
A:4x+4y-10z+11=0
B:2x+y-5z+5=0
C:2x+2y-5z+5=0
D:5x-3y+6z+3=0

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

&nbsp; <img height="64" width="468" alt="" src="http://file.open.com.cn/ItemDB/7089/7a65e550-8ed8-47e1-bb5b-fa2f1bfc3ebc/200941415486952.JPG" />
A:A
B:B
C:C
D:D

&nbsp; <img height="156" width="571" alt="" src="http://file.open.com.cn/ItemDB/7089/a024015d-3983-4574-8765-d988bc940d99/20094141639130.JPG" />
A:A
B:B
C:C
D:D

&nbsp;<img height="79" width="468" alt="" src="http://file.open.com.cn/ItemDB/7089/c23531e4-890d-4685-9294-95e8c491e878/2009414163636345.JPG" />
A:A
B:B
C:C
D:D

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

<IMG SRC="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/ddgllysltj/20060405/9890162d.JPG"></IMG>
A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

&nbsp;<img alt="" src="http://file.open.com.cn/ItemDB/7089/755b7c53-ff80-48d7-8b2b-77850397c925/2009414152614939.JPG" />
A:A
B:B
C:C
D:D

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d

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A:a
B:b
C:c
D:d