Page 21 - 高中数学小题狂做·选择性必修第二册·BS
P. 21

;<=A ! -@%&',4/?9:




                                                                 ! !!! !
             !! " ! #½N"#=$%&'E2"%³&'•&™SW±# ! # " -"/ " ÊËáHâWÝ`!ã–tW" W9
         & Ëâ!6'# !
             " & #B,½N"#=2"%³&'”! rs0 - +!³ - , !=:’yz! " @AB,$ C&D#

             &! ½N"#KL=È,$
                                                 (
             " ! #$%&'=\¿$ # "+ # + - " "+ " " ! +'# # !
                                                               ,
                                                       ,
             " & #å+# " + , # - +& ( " + ! " !!! '# #! §# + # "+ # , # -+ # (! " @AB,$ C!D#
                                               (
                                                                     &
                                       ,-(
                              +" %"M# X½N"#! §* ! # " ! , - #!    !  !* +!* # " ) " * +
                                                                                +!
                                                          +"
                                                                         &
                                                                                   # "
             " ( #å"#* # " +!* ) "                                * + # "              [X½N"#!
                                                                  # "              ) "
                             +                                            !   !    !    !(Ö½N"#! &N
             " * #¬½N"#* # " H! ½øù²aå~%[hi6W½N"#! c# " # " # ( # " #& ( # " #( (
            (
         Ö - !
                             +                       !       !
             " ' #¬½N"#* # " H! / " Öá2" %³! §/ " / & "" / " / ( "" / & " !([i½N"#" "Ö<"k -+"!—–# !
         " @AB,$ C(D#
             (! E½N"#2"%³" h# Qj=¶‚îD! +&™½N"#=´µK! Ùq:¥Ü%³&N! (ó8hiY
         ½'! ÒԘ"=ÐÑ! " @AB,$ C*D#
                                           ;<=B ! C%&'0123


                                                          $   !     " +! !
                                                           / !
             !! ­,/ " E# " =jÉ!$%&',_Ú/! c# "+ #
                                                           / "" / " "! " " &!
                                                          %        !
             &! š\"#!$%&'=!ÒÆ/$
                                                                                          #
             " ! # õab# " #!" # "+ $" ”! ,™/!Ò! # "+ " # "" # " "! # " # " "!" # " "& # ( # " # &" # ! # # ! " " & # ! " @A
                                                                             #
                                                                                               "
                                                                #
                                 "#
         B,$ C(D#
                             "#
                                                                         "
             " & #õab # " #! + $" ”! ,™š/!Ò! # "+   # "  , # " "! ,(, # & , # ! " " & # ! " @AB,$ C*D#
                       # "                         # " "! # " "&   # !
                                                                                  "
             (! ,h›/" h›½Ú"#) ½N"#) +"##! ˆ~# "+ (# " "!# ) ! # "+ (# " "!# ) " ( ! )Ö+"# =š\"#z
                                                          %
         \R,œ*É"/b¢Ö&NÖ(=½N"#>! @!# " ˆ~# "+                         # " "!  =š\"#z\R,"/!$%!
                                                                   (# " "!# )
         " @AB,$ C'D#
                                        ;<=D ! %&E'FGC6H=




             !! fM/$ ~Š6W"#=2"%HܞtŸ½& øù' =t%=³M½(½16W+"! ‹Œ\R­

         ,fM/!³! ’N1½Ú"#2"%³&'=\ !

             &! ¡%M¢/$ {"#=$%£it%Ú! ¬!³”HŽ=6m%\RMd¤¢!  _!³! ‚Ôrs=X!
         qjr¤¢>! Ÿ¥SZ%! " @AB,$ C%D#

             (! & vtMœ/' !"#=³ÈrsRSZU$ " ¦§B,& vtMœ/' !"#=³=éê" 6W½Ú"#E
         6W½N"#=h#% # Mœ”rs¶>6%=>?% $ !³”rs%"ýav% % ¶>’Š6*Y`,-½'t¨

                      #"
         ”—R" !" - !@AB,$ C*D#
             *! :ûb¢/$ å6W"#Âå~W½Ú"#(½N"#(\!³="#ûi! §!³”\,:ûb¢/! :

         ý!³@M! " @AB,$ C(D#
                                                       , ' ,
   16   17   18   19   20   21   22   23   24   25   26