(cos45°+isin45°)2 |
1-i |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
(cos45°+isin45°)2 |
1-i |
cos90°+isin90° |
1-i |
i |
1-i |
i(1+i) |
(1-i)(1+i) |
-1+i |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
OA |
OB |
A.3+2i | B.-3-2i | C.-3+2i | D.-2+3i |
2 |
1 |
i |
(1+i)2 |
1-i |
A.-1 | B.-i | C.i | D.1 |
ai+1 |
(1-i)2 |
A.2 | B.1 | C.0 | D.-1 |
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