Page 28 - 高中数学小题狂做·选择性必修第二册·BS

$6
”! 9 " 6 # + - !"# ´µšœ! õ6 ' " # ! #, # ”! 9 " 6 # ) %#%ç¹!
$
$
"#
- !"# ´µš›! yRõ6 + #”! «" $6 ²Ôݸ‚! *- y$" ! #ÂDsÔ" &" # #" & "! # "&04&) -0 0 &'
$6
" #
cÖ¶¸‚ $# + # " # 04 # "& # +" # " # 04 # ! ÕÖY½ " # ÍiÎ! c# ) &" &04 & ¬& ' - ! ! ”ÍiÎ!
"#
!
- !
"#
'& 7" # " & #& # " # 04&" -ÍiÎ! cÖ $6 " -Íi & &"! &
&
!
Î! §¹º" # " # 04 # " - ! c"!"04 # " - ! ÒÔ- + # & > = " & # + & " &04 & ! & ' " # !§ =9 " & # +
- !
&"! &
- .
!
! ! ÊÅ! Ï"#=²‚ÐÑX - !
7 7 ! &
&04 & # & "& ! &
" #
"
#&
)! y$" ! #ÕÖ $& # +7 " #& " # '. ! # +- # =*ÃñÖ " & "! # ! & ' - ! ! þ " & # +&04 &# & "& ! &'
(
&
&
#&
#&
. ! yR $ 9 " & # + # 7 " # + # " 7 "! # ! ! & & " & # ) ( #
!
&+ -! yR
- !
! § 9 " & # +
õ# ) -”! > $ 9 " & # + - ! ÒÔ& + - ! > $ 9 " & # ) - ! ÒÔ& " # ( & " & ( " & +
&
) - ! ! !
&04 #& ) - ! =9 " & # ) - ! Õ$ = " & # + = " # +&"*04& !
yR $& ¬9Ž" ", ! - # Å´µšœ! ¬9Ž" - ! #, # & &
"#
Å´µš›% # " &"*04& ! c#=¶¸‚Ö&"*04&!
"
!" &
õ# + -”! > $ 9 " & # + - ! ÒÔ& + - ! > $ 9 " & # ) - ! ÒÔ& " & #ÕÖ : 9 " & # + " !" & # 7 ! yR :& # + & 7 !" & ¬" - ! ! #
"#
) - ! Å´µš›! ¬" ! ! 7 # Å´µšœ!  :- +- !" ! # +! !
:
"#
"
&"7
!" &
yR $& ¬9Ž" ", ! - # Å´µšœ! ¬9Ž" - ! #, # :7 +7 ' " - ! ! # Ô : & # + & 7 ¬" - ! 7 . Å=‚ñÖ
"#
Å´µš›! " - ! ! . ! Õ Ö $ 9 " & # + " &" # # & "& ! y R #"&" & ”!
& 7
ÊÅ! " & # ¬ 9Ž " " , ! - # Å ´ µ š œ! ¬9 Ž " - !
$
$ 9 " & # + - ! $” $& ¬" - ! 7 . Å´µšœ! YGDs! Õ
"#
#, # Å´µš›!
& " &" #
&
"
" & #>= " & # +7 "314 & #563 & "& ! & " - ! $# + &" ! $” $ & # ¬ - ! Å´µšœ! ¬
#&
7 #
#&
§=9 " & # + # 7 "563 & "314 & ! & & &
! 7 Å´µš›! >+ " # # + $
õ# " !”! 7 " 7 ! =9 " & # " 7"563 & "314 & ! " &" # # " &" # + # "&04 &" # !
&
#&
&
#
>; " & # + & "314 & " & " - #! §;9 " & # +!"563 & " - ! " #
"
+9 " # # + ! c + " # # ¬" ", ! - # Å´µš›! ¬ - ! &"
yR; " & # ¬9Ž- - ! #, # Å´µš›! k; " & # " ; " - # + &" #
- ! c& " 314 & ! & # Å´µšœ! + " # #
29:&+ " - # +- ! yRN×0Ìs=
7
>J " & # +7" & "! " & " - #!
&
"
§J9 " & # +7 "! " - ! yRJ " & # ¬9Ž- - ! #, # Å´µ & -' " - ! 7 .! ¬" - ! 7 . ÅZd¬tWY= & 33 +! ! & #! ×
&
š›! kJ " & # " J " - # +- ! $& 3 + :& - iÎ! §Ù¹º $7 " ! ! c#& &" ( !
" #
"#
" #
7"!
&
&
c7" & #! ! yRõ& " -”! 7" & #! " 314 & #! !
& ( 7#& &
+
" &"
§=9 " & # " 7"563 & "314 & " !"563 & " - ! IÕÖ&" 7 " 7"! # 7 " 7"! # ) - ! yR&" 7 )
&
yR= " & # ¬9Ž- - ! #, # Å´µš›! k= " & # " = " - # + ( (
"
&" ! yR#&&" ! ÊÅyU! #' ", ! &"
- ! 7"! 7"!
#&
c7 " 314 & "563 & #&ÍiÎ! ( .
7"! !
õ# + !”! =9 " - # + # "! + - ! d¬Ï"& -) - ! ×Ô 0 & '
#! iQ=9 " & # + - !
;<=t ! V%E'uvH=
" - ! & -
#
§= " & # ¬9Ž" - ! & - Å´µšœ! k= " & # + = " - # +- ! Y
&
"
>GDs! !-< ! ÕÖ«" $ & # + - 04& - " =´UW"cƆ
7
ÊÅ! Ï"#=²‚ÐÑX- ! ! #, # !
- 04 & - " & +-=ä=W"! ò\¢Ö! %+- 04& - E
y=z{ ! ’q= " - # +- ! E#= " & # Ú- - ! #, # áFGH 7
&
IÈɔ•! *û€?šN‚[íE#= " & # Ú- - ! #, # á % + `a=4UW"! õ& ) !”! + - 04& - +04& ! 9
%
%
7
FGHIB! #%ç¹EF! ÍroN[Mf>D\]%O
+ ! ! > % 9 + ! + ! ! \Ò=&+7 ! yRóô %+ & E %
!MK›”•! “uš²³Ú¬EFƒPN×ä2VQ”• & & 7 7
, ' $ ,