Page 38 - 高中数学小题狂做·选择性必修第一册·RA

" # # " # # " ! " ! "
# #
# #
G%üÿÈw ! ¬T#$ #:• *% <rG%üÿÈw ($( (*!
$ - -
# #
#
# #
" # # " ! " # " ! " " " #ðw(#'($'(*'! ! 2 #($'2 #(*'2 $(*'
) ! Â 8 ñ! ðw%9' #* ! 2:' #* ! < h
$ " " # #
" "
# # " # # " # # " -%. ! <h (" ' ! ( ! ( ! ("9"9 ! 9 ! 923/-%.(
%9' 2:! <hKLA %9:2 wIJKLA! ðw 9:' $- , , - $
# #
# #
# #
# #
! " ! " # # " # # " # # " ! " # # " ! 9 ! 923/-%.' !+ " " ! ( ! ( ! ("9"9
" #8)#$ #* "9
! (> '
" $8' " " #8)#$ #! <h 9: * %9' " $ $ $- , $- $-
# #
!
"
# #
! " # # " # # " # # " ## " ! ! 9 23/-%.("9 ! 9 ! 23/-%.' !! ! Â $ (" $'
#*'% ! <h 9:'%9! o $ 9: $ ' $ %9 $ ' / ! <h
" " $ - - - $-
KLA %9:2 w§5A! Â 5§j! 颚 !+ # # " 颚 !! !
! $ (> $ '
#
# # " # " # # " # # " ## " # # " # # " " # # " - -
*
)!! ! #* ! # ! $ !' " #$( $*( ** ! #* #$' #$ ( $* * # # " # # " # # " # # " # # " # # " # # "
" $ # ðw (# * ($ ' (# * (* ' ($ * (* '23/-%. ! <h (" *
# # " # " # # "
#
*
#$( ** ! #$'!(%(%'!!
! "
# #
# #
# #
# #
"
! "
# #
# #
(* *
(> " (#( ! " ! " # " (#( ! "
($(
($(
'
$ # ! * # ) 颚 " 颚 " - $ $ $ -
!*! ! 23/ & ! ! # ' ' ' ') ! ðw
& $ ! $ * $ # $ 颚 " " ! " ! ! ! ! !
# #
" 颚 "9 (* # ' 9 9$( " 9"( 9"( 9" # 9
" - - $ $- , !*
$ # !$
& ! ! # ' % + % ! # ,! <h& ! ! # ' ' ! 23/-%.' !
& $-
# # " # # " # # " # # "
# #
# # # " ! " " # # " # + ŒTU, 685 ! ðw $ #$9 #8 $ ' $ #$ $$ #8 $ /01,%.'
# #
!!! 颚 $! ! 92' $8 ! $8 * $*'"9"923/ '" !
" " $ # # " # # " " # # " # # "
# #
"9"9!'& ! Y ## ! þ™• #$ ! #8cd! <h #$9 #8'
# # " # # " # # " ! " " # # # # " # # "
# #
# #
#
#
" "
"
 $ $*)92 $ ' $*) $8 '$* )$* *$8( # " ! # # " # " # # " " # # "
!
" ## !  6§j! v‚! ž #$9 #8'## ! #89#$'
# # " # # " # # " # # " # # " # # "
# # ! # # " # # " # # " # ! # ! Â7 ñ! ðw #$( #8' #* ! <h $ " #$(#8 # 9
! " " 9&'$! Â $ $* ) 92 $ 颚 $! oðw 92'
'
$8 '&)"(
& & # # " # # " # " # # " # # "
#
## ! $ ' $ #* 9 ## ! $ '""9&9!'*" ! Y" #$(#8 # 9
颚
颚
! " ! " # # " # # " # # " ! " # # " # # " # " # # " # # " # " # # "
# #
# #
# #
" #8) #$ #! Â #* * 92' #* *" #8) #$ # ' #
$8'
#
" " " ## ! • 8$ U&Z#! ðw $ #$9 ## ! $ '"9&9!'* ! #$9
# #
"
"
" #
"
# #
# #
#
# #
"
# #
#
# #
! " # " # # " # # " # # " " ## ! • 8#U&Z#! $ #89## ! $ '"9&9!'* ! #89
" #* * #8) #* * #$ # '% ! ðw& 92 ! #* ' % + % ! # ,! <
" # # " # # " # # " ## " # # " ## "
## ! •8*U&Z#! <h $ #$9## !(#89## !$'
# #
# # " " #
h& 92 ! #* ' ' ! # # " # # " # # " # # " # # "
" * 颚 " ! Y#$9## !(#89## ! •8$U&Z#!  8 §
"
# #
"
"
# #
"
# #
# #
# #
# #
"
"
#
"
!"! 颚 "! uvªúY $ # ) " &) !( ' ) " $ ºYˆº&' j! " #$9#8 #* ** !'$ #$ $$ #8 $$ ** ! $9/01,%.9
& % ' ' ' % {ÅE|&È! ! I5â $ # $ ( & ( ' )" # * 23/%.'"9"9&'!- ! Â 5§j!
!
"
"
"
"
"
"
*
) ! & )" # * ) " ' (" ) ! ) " & '' $ # $ ( & ( ' )& &)# '( !4" ! !"#$)*+,
!
"
"
& ' ! 9:,pk& ' & % ' ' ' % {ÅE|&È! ! & ( ' ( !"#$# ! %&'(2345" ! #
"
"
"
"
" )& # &)# '( $ # $ ' & ( ' )& #( $ " )" # )+(
'
'
" & !!8 ! ƒUV%F€#$r!"#$%0! <h 6
. ' %)& '% ! . & %'! ! ñ4 !"0´î_€! <h7 ñ4 ðw0ƒÂ^!
& %(
"
"
-
$ # $ ! <h - °ž ' %'" ! <h 5 ñ!
' %)"'% ! ! " " !(" $ #!  6 ƒð
/ $ # $ '" "! "!7 ! " ! ( # # ( " $ ) # # ' !( $ ' "
颚
"
/ )+( $ # $ '!!
8v‚! ! ( # ! ! ) # ! ) $ƒUV! Â7ð8v‚! " ! ( $ # )
!#! ‰Š‹ ! °% ðw % ! : þ™-¨sw!%§KV
# # " ## " # # " " $ ) ! # '" ! !  8ƒð8v‚! " $ ) # # ) " ! ) # # ' $ ) ! !
”(#$* %¨(# ;$* %MT! <h%:'%(( (:'
 5ƒð8v‚!
# #
# #
! " ! " ! "
# #
) (#( ($( (*! # # " " " # # " "
# #
# #
# #
!
!
" " " #!6! \Y 6 ! ðw ## ! #$ ! #*ƒUV! <h ## ! #$ !
# #
# #
" "
"
# #
# # " # # " # # " ! " ! " ! " ! " #* ׁr^0!  6 §j$ \Y 7 ! ðw#$ ! #( !
# #
# #
# #
# #
" ! # ("'(:(:"' ($( (*( :%' (#(
" " $ - # # " # # " " # "
# #
#
#* ! UVYIV #$* ! <h#$ ! #( ! #* ! ƒ×r^
!
! " ! " " # # " # # " ! " ! " ! " # # " # " "
# #
# #
# #
# #
# #
# #
# #
#
%:' (#(
($( (* ! (>' (%(%>' (#(
!
!
$ $ " $ $ 0! Â7 ñ$ \Y 8 ! ðw ## ! # ! * ! #*UVYIV
* ! " *