3.1 空间向量-高中数学同步教与学【全新学案】（人教A版选修2-1）

)) !!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !"" # !"" $$$% &' ()**+%,*- !!!!!! !!!! !%# -./0*1234 0!.!. ! CDEF-.GHIJ 0!.!/ ! CDEF&KLIJ " # (¨¼D=ef # ½¾ # -¿ .? (¨¼D=ef 9Uì # $%&JH !!!!! x !!!!! +' 01Uì&' ! Uì&'+ùd01Uì&'+ !!!!! ( ! !!!! ! /? (¨¼D=½¾ JHU&+i¹01 !!!!! ! Uì&'@' ! !!!!!!! )q # !!!!! +SY)q&'+ Ó # !!!!! +U&)q&'+U& ! 9Uì # !!! !! +H&i¹)q�!&'(jk&' ! 0? (¨¼D=-¿ ! $%}á # !!!!!!!!! 01%&' # � 4 !!!!! ! !!!!!!!! �4·¸&' ! "!!!!!!!!!! 01T_&' # o01 ! !!!!!!! ! # &' DEE ! +�&&'?t !!!!! ! &' DEE ! +ä&&'?t !!!!! ! $ &' DEE ! +jk&'?t !!!!! ! &' DEE ! +jä&'?t !!!!! ! % (i&'?t !!!!!!!!! ! (¬&'?t !!!!!!!!!! ! & �i . +U&&'?t !!!!!!!!! ! & # (¨¼D=JuÀÁ .? (¨¼D=ÂlÀÁ ! �hBÕ> ! = DEE 94>! # DEE 45>" # > DEE 95> DEE 941 DEE 45>!1"! → ←← Ａ Ｂ Ｏ ｂ ａ ａ＋ｂ f ! ¡'�hBÕ>¦íDf� ' �\jÑ ( ! \I�� ! ¸ý+�} ! " T_`aBÕ> ! = DEE 45>! # DEE 4>>" # > DEE 4A> DEE 451 DEE 4>>!1"! → ← → ←← Ａ Ｂ ａ＋ｂ ｂ Ｃ Ｄ ａ f ! ¡'T_`aBÕ>¦íDf� ' ´ºj� ( ! \I�� ! ]+�} # wY+�} ! /? (¨¼D=ÃlÀÁ ! &'+ÀÕ?Ú&'+7Õ2á�+ ! Àù!W &'�ke7� !!!!! ! " &'ÀÕ+%VýÕ ! 9T¬;�A!º 9 # ý DEE 94>! # DEE 95>" # > DEE 54>!6" # a !6" )qè&' " + Ôºt&&' ! +Ôº+&' # ¼?&'ÀÕ+%V )* !!! !!!!!!!!!! !!!!!!!! !"" # !"" $$$% &' ()**+%,*- !!!!!! �� ! → ← Ｏ Ｂ ｂ ａ ａ－ｂ → Ａ f ! &'ÀÕý�¦f� ' ´ºj� ( ! 0? (¨¼D=°ÄÀÁ >: ' »&' ! +÷?!W !!!!! # �4 ' ! # �+Ó»U&}á{E ! !#' ! # > !!!!! ! " � '" 8 � # ' ! » ! +U& !!!!! ! � '. 8 � # ' ! » ! +U& !!!!! ! � ' >8 � # ' !> !!!!! ! DEE DEEEEE - !!!!!! DEE DEEEEE - ' DEE - % '" 8 DEEEEEEE & !!!! ' DEE - % '. 8 JEEEEEEE & f !% . & Uì&'7Õ+kÙ~ ! ­C~ ! !1">"1! ) " y�~ !% !1" & 1#>!1 % "1# & ! s-�kÙ~ge3WUì&'+7Õo?} ë+ ! % / & :À&'+kÙ~ � ' $ ) ?>: # >H ' % ) ! & > % ' ) & ! # !!!! % y�~ & % ' 1 ) & !> ' !1 ) ! # % Õ!r^~ & ' % !1" & > ' !1 ' "! % Õ�r^~ & ) # ¼Dµ¶Ad .? geUì���W&' ! $ " % " 3 , &# ! + " +� ¦vw? !!!!!!!! ! /? {|�WUì&' ! $ " G(i # FÏ&' & » &' ! $ " (¬+�¦vw? !!!!!!!!!! ! 0? Uì!º 8 ¸eT¬ 45> ;+�¦vw?  9H£>:g 0 $ 3 # ¡ !!!!!!!!! # (gUì ��!º 9 # H !!!!!!!! ! ← → ← Ｃ Ａ Ｐ ← ← Ｂ ｂ ａ→ ｐ f ! \I�� ! ]+r\ ! .? ²u-E23 ! ! �W