题目内容
已知m∈R,复数z=
+(m2+2m-3)i,若
=
+4i,则m=______.
| m(m+2) |
| m-1 |
| . |
| z |
| 1 |
| 2 |
∵
=
+4i,
∴z=
-4i
=
,m2+2m-3=-4?m=-1.
故答案为:-1
| . |
| z |
| 1 |
| 2 |
∴z=
| 1 |
| 2 |
| m(m+2) |
| m-1 |
| 1 |
| 2 |
故答案为:-1
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| m(m+2) |
| m-1 |
| . |
| z |
| 1 |
| 2 |
| . |
| z |
| 1 |
| 2 |
| 1 |
| 2 |
| m(m+2) |
| m-1 |
| 1 |
| 2 |