2.3 双曲线（学案二）2020年高中同步教与学数学（人教B版选修2-1）

书书书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` [] % a " #! " "#" #! # " % " #! " " ) " #! # " *#& ! & # $ "' R # ! YZJGb[] % a " #! " "$" #! # " % " #! " " ) " #! # " *)#& % c "d " #! " " ) " #! # " *+#& % -Defg6hGij " +,-3 ! !"#$%&'( #" 456789!"#$%&'($:;<= " " # A B C D % E 6 F G H ) < = > I J $ # & # ) % # ' # * " " & # $ ! ' # $ #" @(K $ LM # N % # & # ) $ # ' # *" " & # $ ! ' # $ #" @( K % LM #! OPQR ! ST $ # U)V3WX) ! YZ@([K $ LM $ ST % # U)V3WX) ! YZ@([K % LM " .1<= > ! & 6\']1 ' ! ^_6`abcYdABCDef)]4g h'@(Ki\jklLM " @(K $ LM)IJ ! mno $ ! % pq[`rs@(K % LM)IJ " " # # tu<=>)@(Ki& klLM ! lvIJw) & ! ' ! ( x &yz{| ( # *& # ,' # ! }P & ! ' ! ( ~���\&��x��)x� ! 5 ( ��� ! S�}� " !" >!"#%&'($'? " " # '�� ����j�`h�R�()89W<=> ! O��<= >)'��'�IJ ! ?dOP����y " " # # �'V3� ! �h� % ��j�h�<=>)@(K $ LM�WK % LM ! �W%&klLz�O` " " �IJ % ��M�h��IJ� $ # & # ) % # ' # *"   % # & # ) $ # ' # *"" # ¡¢£V % ��¤¥j�¦R£1 & ! ' ! ( )IJ§ " $ rIJ % ¨IJ§©ª}�IJ«�}¬ " " % # ­®¯° $bc±²G³ ! IJ )$ # ,* % # *" " )* $ $ # ´�)=>� <=> ! µ¶·@(K $ LM K % LM%E±� " �oIJ¸ �� $ # " ) , % # " * *" ! ¹º ) # $ ! * $ $ » ! IJ� $ # " ) ) % # ) " * *" ! µ ´�@(K $ LM)<=> ! _» &* " 槡) !'* ) " 槡* $º)$ $ ! * # $ » ! IJ� % # " * ) $ # ) " ) *" ! µ´�@(K % LM)<= > ! _» &* " 槡* !'* ) " 槡) " ^_ ! K¬<=>)lvIJ» ! �@()¼½6�' ! ¹ 2¾¿M��� " !! &'()*+ !! @A # ! !"#$/0BCD # E # $ ! <=> $ # #' ) % # "&& *" M\( + sÀ@()*+W ' ! ¹Á¦ÂuX�)W " !! # -"+ sÃ@()*+� . /"+ sÃ@()*+� "' 0"+ sÃ@()*+6�' 1" ?d) + (6ÄK FG ! - N 0 Åh�WÆÇ) ! . / ÈÉ ! � " +! " " *"' ! " +! # " *' ! ¹ " +! " " , "