




版權說明:本文檔由用戶提供并上傳,收益歸屬內容提供方,若內容存在侵權,請進行舉報或認領
文檔簡介
本資料來源于《七彩教育網》 命題:高三數學組 審卷:高三數學組
錐側
l)·
球P
(
)
C
P
P)nn n
I
,
I
,
I I
I {
}
x
(
C
(
)
(
)
(
)
(
)
n
:設
分),共
,
,
b
b
b
b
b
b
b
,,
,,
:如圖,正方體ABCDABCD
,則
C
P
的最小值為
AB
CABC
OM
ON
,
MN
中,底面
分別是F E
、、
、、
n
n
n
(
b
b
b
n
n
n
n
g
b
g
EE
l
EM
N
AM
Em
m
m
A F B
/
,
解:():OM
ON
cos cos
nsi nsi
cos(
):
MN
,
MN
FG
········
·································································
FG
∥
·
·················
·············
·
,所以
································
·······················
······················································
········································
·······················································································
··········································································
··············································
b
b,0),F(0,
,
)EF
).
b
),
b
).
·························································
EF
················
,0),F(0,
,1).
,
,
),····································································································
· ,- ,- )EF
EF
·
·····························
·
- ,0),
EF
·······················································································································
·······
································································
······························································
,
,。
E
),(
p
p
p
p
p
p
E
(
)
(
)
(
)
(
)(
)
解:(
n
n
(
n
n
(
n
n
(
n
n
(
n,
又由已知:
n
,
故:b
):由已知:
/
(
)
(
,
max
):F
g
b
F
(
)
(
+ +
:F
:F
:F
:F
b
b
b
b
時,b
,F
有一根,
故:
g
有一解。
:
b:
b
時,b
,F
有兩根,
故:
g
有兩解。:
b
b
時,
b
,F
有三根,
故:
g
有三解。:
b
時,b
,F(
)有兩根,
故:
(
)
g
(
)有兩解。:
b
時,b
,F
(
)有一根,
故:
(
)
g
(
)有一解。
.
mx
my
m
m
m
,
m n
E
l:
E
)
AM
AM
,
,
AM
AM
AM
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯系上傳者。文件的所有權益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網頁內容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
- 4. 未經權益所有人同意不得將文件中的內容挪作商業或盈利用途。
- 5. 人人文庫網僅提供信息存儲空間,僅對用戶上傳內容的表現方式做保護處理,對用戶上傳分享的文檔內容本身不做任何修改或編輯,并不能對任何下載內容負責。
- 6. 下載文件中如有侵權或不適當內容,請與我們聯系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 工程經濟職能部門協作試題及答案
- 地理信息系統GIS技術應用題
- 農村土地整治與綜合開發合作合同
- 公司員工職務晉升證明(8篇)
- 市政工程施工技術解析及試題及答案
- 工程變更申報流程試題及答案
- 2025年工程經濟理念探索試題及答案
- 2025年工程經濟考試的整體復習試題及答案
- 年度業務發展路徑探討計劃
- 學校品牌建設與推廣方案計劃
- 小學生手工縫制課件大全
- 社區流行病學
- 電廠節能降耗培訓課件
- 全國統一考試考務人員網上培訓考試試題及答案
- 儀控技術手冊-自控專業工程設計用典型條件表
- 校園網規劃答辯
- 醫學細胞生物學(溫州醫科大學)知到智慧樹章節答案
- 《初級會計實務》(第五版) 第九章 產品成本核算
- 生涯發展展示-(第一版)
- 五角場綜合體項目設計任務書
- 信托固定收益合同模板
評論
0/150
提交評論