【答案】
分析:先利用兩個(gè)復(fù)數(shù)的乘方化簡(jiǎn)ω
2 的結(jié)果,把此結(jié)果代入要求的式子,利用兩個(gè)復(fù)數(shù)的除法法則,進(jìn)行運(yùn)算.
解答:解:復(fù)數(shù)
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/0.png)
=
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/1.png)
=
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/2.png)
=
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/3.png)
=-
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/4.png)
+
![](http://thumb.zyjl.cn/pic6/res/gzsx/web/STSource/20131025124922416771754/SYS201310251249224167717001_DA/5.png)
,
故選B.
點(diǎn)評(píng):本題考查復(fù)數(shù)的乘方運(yùn)算以及兩個(gè)復(fù)數(shù)的除法,兩個(gè)復(fù)數(shù)相除,分子分母同時(shí)乘以分母的共軛復(fù)數(shù).