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已知是不共线的向量,若,则A、B、C三点共线的充要条件为A.λ1=λ2=-1B.λ1=λ2...
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已知
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAWCAYAAACyjt6wAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAStJREFU
SEvtVtENhCAM7Ujuc1swhEuwww3AHCTuwBLvqIA51FqDJHrJEf3R0vf6+ooSDteE8TViOg7q9HYf
i9Ts04jh9VbDugTsYFFc0O8BYwcZdRzmUmM9X8Hf92AXc7Un0VvcnrvLzlsIepsH03q1iFsIMqvg
DE7ww00EA5yx0PXDTQSDgzkjX1S6UnDxBsXqvAUJScqBqxpICEjt9bDlI2EcghCbCbLk0bgLobRZ
KvIawYzFIsykFKw5hKeqYsNJDJxUFksfC2ham/YmwqIYcZxglmoyJD87kr2V3O70soKyGMR+MJVU
qaL6WZNWO5u208v4ktc5AdXtLcbligLi1Xet2juTW3dvhUipxeWXi437TbIvv8XvBe/EUdPo9P7E
pYx/gle1fryCHy5k6knW+pX2AAAAAElFTkSuQmCC
)
是不共线的向量,若
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAREAAAAbCAYAAABbeLtcAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAABfpJREFU
eF7tXIuR5CoMnJA2n81igpgknMMF4DhctTlMEhwff/hIIISwPVNMvat6t4uR6BaNJDz3UCKfP/X6
fak/kbl6TyLtq/R8kus/07czbVEwups/FJ8/c8xDzO2/l/r5/Sc2XdeJpH2Vnk9y8Wf6dqYtCkZ3
84fi8weOeeiPkvvzo143SEdo66H7Kj1fKU5o9mp4o6815xvNLxlbJYzM7+/mD8XnbxwzMhEJVu98
4p3p25m2KLzdzR+Kzx84RkhEOtSf71k9TZb0nNVbFFhpX6Xnk1zsmb4xbV3F8zKpx7Q4sLv5QOTy
avtEN5fpqWZgMwqJCNGLimHLNClD8Xt+qo3risfH0A9B4BKejYB4h9MlPnj89LKfK/eg8FgmoEQO
Nt9bzc9Hsh9vKyL7IrVKT5D89dokOsCGaHUAt4TrWTybUx/Lbs/yAYNXyP4mHhwWjZA8t/22Zkj7
3+2Ei5oeYUbSVURoja9D/eBFa6fFS5oMvJlg35X6w1VGhpfKEC2JiAlOJs81vJixOH18HyrRQIbL
2Df88j4m03AVgPsYwfBEZf+xVwrqn2WsLWqOMgAw3WEST1+kWYi/MPqTrJGFYL+2vEo5OfjWxHo3
bXajFDcuCyHeQ0Vf2nim8VKyUfo9b+n0p9rt8wVEe2kyD09h3X4H9p7NUI6fIyLiap8wjXFQGLL2
htSqVMff6XBRR1p7UfpEfZY6DhTHfUP6IMZKTbUgMQ7jxP08JtutCW6ESXhDmYOO6xpXbH+JvES9
kHgNZ8RaDjcJ+9QsE/LD2ff6ImiCEPZGQBHZJkvTvrSxYgMFyQ+pC8JruNWebrJCgkYJ5OoxuRMz
UurquRsegDlZBQQkGz/V2nlhLCSbiTTyTOTFYljaGGfGWgBjIwbrXPxMxNhfD50o00jZDg+0VERs
c0enzUAX1l2FHSezhHJmw9GcHMYeMUiguY7TUM/jX+thhjPB7lJmVyfajVgo5VoaXGF8wZzk8ddE
ax57fSRxNWVXC89UXrIi0uhDM9eN9n2eWUISNJxdjOO9o6yIbI2dtAO7lzJeutM3O/Ad1f8/1b4v
sp7SOxIlYFYaUBGJy4byfM2BZV3COInX10sukqTflU/CuLpYauB5P9wyvKDlTGusHW/P8lhotx+L
SK2QGIH193OuwrA8eUlGkIls99VxxuEcjEoZ8PqHByH4lFXmo6bfXnR5z7PXPcbtpSB46VrOTUxE
kmwIvjOPp64lM34e5wTpnAtSgGZ2ybsDhN4Lhmsjz3EzMInTYBHw4egyIX6sbSbYXAvZh2IPK13D
scDeiHwKx4el8i4iSVMl7soCdRLavW0OZOCU3d7qi3Ms+/MoiKGaLvd+AMHftPuPBKQ3Fzuo1jmy
nPQWcQgTcVyJPNuAXkvIiP9aXtIrXqIPLhVPY23Fic810X4GA0L45k7b9FbPjvbK9njPRW0BJyLx
Sy5A2hfeyhyZSakv0LTA0sM7sKGIxKnZdjrxy6+0+5/iUXK28vdFTlaSkcJ10Rmb7NcF3A1KiCF2
Y1S51txwPwNMhJPBS7FpiDiDxJrgSvGpshic4oFnJM1aHlZdowZh2oBCbmWyzZezFpdmBGEpsymq
EZq30v/Vf6JSxmUIHd9dIXFiDgt3QkMbu8f7cOK4Eph460a2T1kQm1xeCle9mWM7eVuTsITmIVkM
mmevmQAu4XUM+u8TbM3D7a54vdEA/7kAQh1c4x97LFBWbKWP9dtsdl9IeIaCdx567FDPrSIn/hKC
tXZ+N6QDrtVsRALA5oV141cuYavXw3mALYIcY8cz2Nu+3Pdj27wRffomxIquaUyGIZCWVGdidY9Y
uxaDFO8hImfG4LDViIDMd0v4TtxBRK7GYIgIP37Gk5cjsF93X+bJ9SJyPQZDRC4Lv2G4DQHaF+za
bJSfvlZE7oHBEJFynIwR90NANxKDG6jiN4J7LeFCEbkNBt8mItHNROdLk16ROebNIJC+cId8Pb03
ihfG2m0wQDD+gsZq7+gZ8w8EBgI5BIaIjPgYCAwEmhAYItIE33h4IDAQ+A81PpbAml+r+AAAAABJ
RU5ErkJggg==
)
,则A、B、C三点共线的充要条件为( )
A.λ
1=λ
2=-1
B.λ
1=λ
2=1
C.λ
1λ
2-1=0
D.λ
1•λ
2+1=1
相关试题
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1
-
已知
、
是不共线的向量,
=λ
+
,
=
+μ
(λ,μ∈R),那么A、B、C三点共线的充要条件为( )
A.λ+μ=1
B.λ-μ=1
C.λμ=-1
D.λμ=1