Page 44 - 高中数学小题狂做·必修第二册·提优版

! *$ ! AB'C !DEFGH!IJK !
!
!
!
0'(3' @Aeâ@j(:±œ0$ØHE;O$ø$;
Ì:“[#'0? " (3?'
!#' x-8? ! a0# ( $š ij û 0'30"8&0'%0&
0'(2 " †8 "0''2' 9 "()0'02)0'(2)0'30"0'(0'
# % $ MC]x~ú“$ØH:$;Ì:#%+0'(2&'
+0'%0&,+0''0&2+0'%0&$+0'(0&3+0'02" !!
,'02' NC]x~ú“$ØH:$;Ì:#'+0'02 # F"!$ # F&!$
&,+0'(0&2+0'(2&$+0''2&3+0'%0&#+0'(2" #';! š /78 # ")! $ &/78 # "&! $ "'/78% ! " û
$'00' /78" -./ !"'/78! -./ !'
( %
!&' x-8? ! a0# ( $ (" + # *'#&(0''&(0'0& ! -./ !"0ˆ" 2 !"# #qL½L<" —!" ' š:
(0 %
)
(0'%&*'*&*'#&(0'0&(0'(&(0'%&*'3 $ "(0 " " % 颚 3 % 颚 %(
" 颚 3 " #" ' " û8 " " ' '
( /78 %
(0 + # (0'(&(0',&(0'(&(0'0&(0'(&(0''&(0'$& '
" -./ !6 0ˆ" &G/78 ""'/78! " š¼wH û9 "
(
%
%
(0'2&(0',&(0'2 $ "(0'' " A (" (# *'#)(0 $ & # (0'' % % % %
(0 ' 8 ' šxwH û: " 8 & 9 )% 89 % -./ # " v3" 8 &
%
%
%
%
)(0 $ & # (0'0)(0 $ & # (0'%)(0 $ & # *'*)(0 $ & # ' 8 $ )% 8 %# ' 8 $% ( " aû8 "(' ‡–Rû" 8 "(¹8 "
%
%
# *'#)(0 $ & # (0'0)(0 $ & # (0'()(0 $ & # (0'%)(0 $
%
%
%
%
% 颚 %(
( '
%
%
%
& # *'3)(0 $) "0'0'$ " A %" (# (0'()(0'' $ & # (0', '
(0
颚%! ¿¯´" š 2 !"# dªž½L<— + #"
&'(#0 2
%
%
%
)(0'' $ & # (0'()(0'' $ & # (0'0)(0'' $ & # (0'()
颚 %
(
%
%
%
(0'' $ & # (0'')(0'' $ & # (0'$)(0'' $ & # (0'2) % " û#!" #" 颚 % #$" !" " @A!$" "$" !""
"
% % %
%
%
%
(0'' $ & # (0',)(0'' $ & # (0'2)(0'' $) "0'0,'
颚 %
% % % #!"$ " ¿¯g" »*Ù½L<!"$ Qr*()#? "
# % $š# ( $ "EÃj ) ) ( "(0'')(0"0'' " % A (& A % "
颚 (0 !$ & "$ ) !" % (
%
%
šxwH û -./ + !$"" % !$ % "$ ") % " @
颚 (0
颚
颚
% 0'0'$&0'0, "% 0'003$' ‘ # 0''" 0'0*4
A /78 + !$"" 颚 % 颚 ' " š ¼ w H û
()-./+ !$""
0'0'0,"% 0'003$ " @ARk#o»yò((å$
颚 颚 %
% ? /78 + !$"" !" " aû?"$ " ‘# 2 !"# dªž½L
ª€ËO$H:Þz»yGƒtxy'
<—$ #!" $"%" @A!èÙý !"#$ "" #$3 Ø
GHIJ' # K"6 ! K"$6$
Ù!"$ " @A#$ @!À$©Ùç`ç@3" / #À+"
,
!'9< ! 7&7&7&7"7)()7&("0 " & 9 ¼3- ¥E @AQrÀ() ? 0 OP , ? 0", ? &#$ " aû ? 0"
'
%
%
%
%
%
%
n=Þ™ß" & :W- E" # (&%7 $ "(&,7&,7"
, % '
颚
' 颚 2 " &QrÀýF>" ? 0"(#0 2 % ' !
)'&,7 " & F '
E")'),7 " ¥ÕoØÙ$%$NO#
# )' " ), $" à›–½f¨" & ;W- E " (& ) 7 " ( " ''x - 8 ? ! a0# ( $š ¼ w H \ :"9 -./ !&
)
颚 ' 颚 '
%
%
0% " ‘ # % E )( %"% E&( % " @ A 颚 # ( )( $ & ) " ' 9 /78! " û/78 # "/78" -./!& /78 " /78! " š#" % )
'
%
"
%
颚 # ( &( $ & ) aû ( "0 " &E!oØÙ7¥Õ$%$ 颚 '
# !& " $" û/78 # !& " $ "/78 " -./ !& /78" /78 ! " @A
—˜#q”" <¼3' '
"': ! `ç" ¬r "$ " ‘# ! !ØÙ"$$ ( " ( Q" - " . 颚 '
-./ " /78!" /78" /78!' š!0 # 0 " % $" û/78!6 0 " @
Ç!ØÙ"$$ ( " ( 7" @A!- " ". dùÙq”" @A 9 '
%
"
n¼3' †‡ýd¼ý" @A -.*"$ " Ÿ "$9 ØÙ A=58" 颚 ' " Ÿ "0 # 0 " % $" @A "" ' Ÿ 2 !"# Qr
'
!"#$ " -.H ØÙ!"#$ " Rj-.* ØÙ!"#$ " @A: 9
*$()?"% " & "% ? " @A9 "% ''
颚
¼3' " ñ" ( $ ( $‚C#"" ("( " ! ñ" ( $ ( $‚C™ /78"
%
%
%
›–ò*Ù"+$¬”" & ! ñ" ( $ ( $‚C™›( " @ # % $ š# ( $ -./ ""-./ % 8 & : ) 9 " ( " & 8 & : "(%
%
%
"
' % 8: %
A 2 !-. $ÙF™› 2 "-. $ÙF" † ;W' ! ñØ
%
%
%
8 & : 8 & : # 8 & : $
%
& 8: " š 1 1 颚 8: " û , 8 & : "(%
%
颚 % 颚% % %
Ù"$$ ( " ( $‚C# " 2 "-.$ÙF#H:" @A½¨
% # 8 & : $
%
,
& 8: , (%& " @A8& : , 颚 ' " —«8" : "
¾!W"-. $ýF#H:" †<n¼3' ,