文档介绍：2006-2007高等数学B下(A卷)答案及评分标准
一、; ; ; ; .
二、6. -1; 7. ; 8.; ; 10..
三、
-------------------------------------------------------------------------------(4)
--------------------------------------------------------------------------------------------------(7)
--------------------------------------------------------------------------------(2)
即
由,有解得,--------------------------------------(5)
所以为所求平面方程。-----------------------------------------------------------------------------------------(7)
---------------------------------------------------------------------------------------------------------------------(3)
-------------------------------------------(7)
--------------------------------------------------------------------(5)
,------------------------------------------------------------------------------------------(7)
--------------------------------------------------------(4)
==------------------------------------------------------------------------------------------------(7)
,得,齐次方程的通解为,-------------------------------------------------------(3)
设特解代入,得,--------------------------------------------------------------------(6)
所求通解为.-------------------------------------------------------------------------------------------(7)
17. 解------------------------------------------------------(2)
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