10i |
3+i |
A.(1,3) | B.(3,1) | C.(-1,3) | D.(3,-1) |
10i |
3+i |
10i(3-i) |
(3+i)(3-i) |
30i+10 |
10 |
10i |
3+i |
z1 |
2+i |
2 |
i |
1+i |
A.
| B.
| C.
| D.
|
2 |
i |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
Z2 |
Z1 |
A.1+3i | B.2+i | C.-1-3i | D.3+i |
4+2i |
1-2i |
A.0 | B.2 | C.4i | D.-4i |
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