问题
选择题
复数
|
答案
-3+2i 2-3i
=3-2i 2+3i
-(3+2i)(2+3i) (2-3i)(2+3i)
=(3-2i)(2-3i) (2+3i)(2-3i)
-13i 13
=i+i=2i．-13i 13
故选D．
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复数
|
-3+2i 2-3i
=3-2i 2+3i
-(3+2i)(2+3i) (2-3i)(2+3i)
=(3-2i)(2-3i) (2+3i)(2-3i)
-13i 13
=i+i=2i．-13i 13
故选D．