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在复平面上,若复数所对应的点在虚轴上,则实数a的值为A.2B.1C.-1D.-2
试题详情
在复平面上,若复数
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAjCAYAAABsFtHvAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAWtJREFU
WEftVlu2gyAM5G6Z7bAT1sEq2EQuA1QbHhFE64+c9thqkgmTEOePwlJPLYA/tdRTwJHxS8CdQenS
V1vyg0HnwAOIcUVkb0lvNx0ZJFAYeatDYoZK12Vw7xzbaQQa3D0DdyZThyxBZbnN1s5LipmfJ6tT
TG3rYmTwbFTQh797Qp/Evq81lbDnOSO2pgZ2argIwDw6Dkc7Z/XPlOBepwyK8LBshp6DCI6EaybQ
Ay3K41GrH6YSNB0EcGfa1NZl2JtEccrzUVEI5Cl8+OqAYwOsapsd4qF5bafmkfavLg+nMZ7VmMDx
tGg3ZKb/M3yq4ZDizp3z41ymLF7wKbquMoaM2N9IP/z9NtxVJZyO0z9qcfiMDZpp1OzQBt9k0Tnw
nnIpkxSGDMbsOfBRJi4Gl5XL0s5FVbO9PPrKZQl8iE5BudwOLimX28El5XIzuKxcxsCZuimlsFD5
A+UyBj7UWetGr5JZ5/BEhH8P8SmqBMhXMQAAAABJRU5ErkJggg==
)
所对应的点在虚轴上,则实数a的值为( )
A.2
B.1
C.-1
D.-2
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在复平面上,若复数
所对应的点在虚轴上,则实数a的值为( )
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已知m∈R,复数
在复平面内对应的点在直线x-y=0上,则实数m的值是( )
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-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAATlJREFU
SEvVVIENhCAMxI3cxy0YgiXYwQGYg8QdWKJPUbHQajWfj3kSo5JyXK/tDZCX6dYwDP2W+F+OIkC/
crS0Le79C0D0qNP6+NikoqeQAtj9EH5nEBtSBVEBUoxwhAOkYMHYUPdUACY9pvMNADJ4lELLIIIn
t5cmhHnaFJ4OYU4aKXoPbQ0ywDzP5aAbDYxuKd9SJyL1roJrbL22MFlZMIAsHM0b8v8O1lRhytSR
BQUoZdubqL6PVBqAxY1gRiemcDZdrA+QxfvTeNsMNjMSRNomj4nX7rdlfHItib3vXScX/AiAOlA3
PMyAGTPqQHl0vGBj9AxLQXMgnUEfgelIY7jFqSJGb8Qx3u+5Bmj0kOt4AZAgWO5AtzWI3gKx/9M+
FRkw+yIOpDJA0a4cSAV4OlNqGTXA9wE+hozxSbXgI+QAAAAASUVORK5CYII=
)
C.1
D.
-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAATlJREFU
SEvVVIENhCAMxI3cxy0YgiXYwQGYg8QdWKJPUbHQajWfj3kSo5JyXK/tDZCX6dYwDP2W+F+OIkC/
crS0Le79C0D0qNP6+NikoqeQAtj9EH5nEBtSBVEBUoxwhAOkYMHYUPdUACY9pvMNADJ4lELLIIIn
t5cmhHnaFJ4OYU4aKXoPbQ0ywDzP5aAbDYxuKd9SJyL1roJrbL22MFlZMIAsHM0b8v8O1lRhytSR
BQUoZdubqL6PVBqAxY1gRiemcDZdrA+QxfvTeNsMNjMSRNomj4nX7rdlfHItib3vXScX/AiAOlA3
PMyAGTPqQHl0vGBj9AxLQXMgnUEfgelIY7jFqSJGb8Qx3u+5Bmj0kOt4AZAgWO5AtzWI3gKx/9M+
FRkw+yIOpDJA0a4cSAV4OlNqGTXA9wE+hozxSbXgI+QAAAAASUVORK5CYII=
)
C.1
D.
-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAATlJREFU
SEvVVIENhCAMxI3cxy0YgiXYwQGYg8QdWKJPUbHQajWfj3kSo5JyXK/tDZCX6dYwDP2W+F+OIkC/
crS0Le79C0D0qNP6+NikoqeQAtj9EH5nEBtSBVEBUoxwhAOkYMHYUPdUACY9pvMNADJ4lELLIIIn
t5cmhHnaFJ4OYU4aKXoPbQ0ywDzP5aAbDYxuKd9SJyL1roJrbL22MFlZMIAsHM0b8v8O1lRhytSR
BQUoZdubqL6PVBqAxY1gRiemcDZdrA+QxfvTeNsMNjMSRNomj4nX7rdlfHItib3vXScX/AiAOlA3
PMyAGTPqQHl0vGBj9AxLQXMgnUEfgelIY7jFqSJGb8Qx3u+5Bmj0kOt4AZAgWO5AtzWI3gKx/9M+
FRkw+yIOpDJA0a4cSAV4OlNqGTXA9wE+hozxSbXgI+QAAAAASUVORK5CYII=
)
C.1
D.
-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAATlJREFU
SEvVVIENhCAMxI3cxy0YgiXYwQGYg8QdWKJPUbHQajWfj3kSo5JyXK/tDZCX6dYwDP2W+F+OIkC/
crS0Le79C0D0qNP6+NikoqeQAtj9EH5nEBtSBVEBUoxwhAOkYMHYUPdUACY9pvMNADJ4lELLIIIn
t5cmhHnaFJ4OYU4aKXoPbQ0ywDzP5aAbDYxuKd9SJyL1roJrbL22MFlZMIAsHM0b8v8O1lRhytSR
BQUoZdubqL6PVBqAxY1gRiemcDZdrA+QxfvTeNsMNjMSRNomj4nX7rdlfHItib3vXScX/AiAOlA3
PMyAGTPqQHl0vGBj9AxLQXMgnUEfgelIY7jFqSJGb8Qx3u+5Bmj0kOt4AZAgWO5AtzWI3gKx/9M+
FRkw+yIOpDJA0a4cSAV4OlNqGTXA9wE+hozxSbXgI+QAAAAASUVORK5CYII=
)
C.1
D.
-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
KFEtMEUoEs+hgoeKTboITSlKUsJUuxcm1KGMvwi6jHD9hfKbWV0/9WmiMBfiku27udhHY5yJhhCd
55DEIB13RFOjUSfVZ2a9eL4BYBXpBOX9qe0AAAAASUVORK5CYII=
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEvSURBVEhL1VTJDcQgDHRdPCgnfzrhTSF8KSQP
SvFicnCZAFpFq0WKRNAwjMcHILMAAGc+ugo9Au6cxf4JgVPJE+UK0WMPvEF5XaJ9MFgaf5MMCbxz
mOCI3kgEae6zIUFjMoXzDQEpWAqhVOBQZa8fhWS30+EtGROM4pZTCsscBAJrbcRqASj0HvdUxvUi
6VUGD+wNjEoOFQ1BMC6PG8P/RVY8tYWXSUVOENPWNFcKpSDYtUAQmg2h11xNsKSC82CaoGfiEkEP
zJ0HtXPTh8OVaVx5NsPyJbdA9hJBPoGq5qnFcUWfJlBoHUUmc01wMjUEowk0VlAjKJwVBe19YNv4
wj1nIZ/IndQ+EHg0sp1A0x44JTEb/93SYhU04yubQEMFTnHN1Q/lpVL+fTMtKPgAkZz+NHVpDlkA
AAAASUVORK5CYII=
)
C.1
D.
-
复数
在复平面内的对应点到原点的距离为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAkCAYAAACAGLraAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAATlJREFU
SEvVVIENhCAMxI3cxy0YgiXYwQGYg8QdWKJPUbHQajWfj3kSo5JyXK/tDZCX6dYwDP2W+F+OIkC/
crS0Le79C0D0qNP6+NikoqeQAtj9EH5nEBtSBVEBUoxwhAOkYMHYUPdUACY9pvMNADJ4lELLIIIn
t5cmhHnaFJ4OYU4aKXoPbQ0ywDzP5aAbDYxuKd9SJyL1roJrbL22MFlZMIAsHM0b8v8O1lRhytSR
BQUoZdubqL6PVBqAxY1gRiemcDZdrA+QxfvTeNsMNjMSRNomj4nX7rdlfHItib3vXScX/AiAOlA3
PMyAGTPqQHl0vGBj9AxLQXMgnUEfgelIY7jFqSJGb8Qx3u+5Bmj0kOt4AZAgWO5AtzWI3gKx/9M+
FRkw+yIOpDJA0a4cSAV4OlNqGTXA9wE+hozxSbXgI+QAAAAASUVORK5CYII=
)
C.1
D.