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如图,在四棱柱ABCD-A
1B
1C
1D
1中,已知平面AA
1C
1C⊥平面ABCD,且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124216152550304/SYS201310251242161525503015_ST/0.png)
,AD=CD=1.
(1)求证:BD⊥AA
1;
(2)若E为棱BC的中点,求证:AE∥平面DCC
1D
1.
考点分析:
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